Document:

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[Translation of Chinese original]

                                                                    EXHIBIT 10.8

                   AMENDED AND RESTATED SHARE PLEDGE AGREEMENT

This Amended and Restated Share Pledge Agreement (this Agreement) is entered
into on May 10, 2004 in Beijing by and between the following parties:

PLEDGEE: KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.
Registered Address: 12th floor, Zhong Dian Building, Zhong Guan Cun South
Street, Hai Dian District, Beijing
Legal Representative: Zhou Yunfan

And

PLEDGOR: YUNFAN ZHOU, SONGLIN YANG, ZHEN HUANG AND YANG CHA

WHEREAS,

     1.   The Pledgor, Yunfan Zhou, Songlin Yang, Zhen Huang and Yang Cha, are
          citizens of the People's Republic of China ("PRC", excluding Hong Kong
          Special Administration District, Macao Special Administration District
          and Taiwan area , for the purpose of this "Agreement"), and
          respectively owns 10%, 42%, 3% and 45% equity interest in Beijing
          AirInBox Information Technologies Co., Ltd.

     2.   Beijing AirInBox Information Technologies Co., Ltd. is a limited
          liability company registered in Beijing engaging in the business of
          Internet information provision services, value-added telecommunication
          services, etc.

     3.   The Pledgee, a wholly foreign-owned company registered in Beijing,
          PRC, has been licensed by the PRC relevant government authority to
          carry on the business of computer software products, internet products
          development, sale and services, etc. The Pledgee and the Pledgor-owned
          Beijing AirInBox Information Technologies Co., Ltd. entered into
          Exclusive Technical Consulting and Services Agreement, Trademark
          Licensing Agreement and Domain Name Licensing Agreement on March 31,
          2004.

     4.   In order to make sure that the Pledgee collect technical service fees
          under Exclusive Technical Consulting and Services Agreement, Trademark
          Licensing Agreement and Domain Name Licensing Agreement as normal from
          Pledgor-owned Beijing AirInBox Information Technologies Co., Ltd., the
          Pledgor are willing to severally and jointly pledge all their equity
          interest in Beijing AirInBox Information Technologies Co., Ltd. to the
          Pledgee as a security for the Pledgee to collect the above-mentioned
          fees.

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     In order to define each Party's rights and obligations, the Pledgee and the
     Pledgor through mutual negotiations hereby enter into this Agreement based
     upon the following terms:

1. DEFINITIONS

Unless otherwise provided in this Agreement, the following terms shall have the
following meanings:

     1.1  Pledge means the full content of Article 2 hereunder.

     1.2  Equity Interest means all the 100% equity interests in Beijing
          AirInBox Information Technologies Co., Ltd. legally and jointly held
          by the Pledgor and all the present and future rights and benefits
          based on such equity interest.

     1.3  Service Agreement means the Exclusive Technical Consulting and Service
          Agreement entered into by and between Beijing AirInBox Information
          Technologies Co., Ltd. and the Pledgee on March 31, 2004.

     1.4  Licensing Agreement means the Trademark Licensing Agreement and Domain
          Name Licensing Agreement entered into by and between Beijing AirInBox
          Information Technologies Co., Ltd. and the Pledgee on March 31, 2004.

     1.5  Event of Default means any event in accordance with Article 7
          hereunder.

     1.6  Notice of Default means the notice of default issued by the Pledgee in
          accordance with this Agreement.

2. PLEDGE

     2.1  The Pledgor agrees to pledge all his equity interest in Beijing
          AirInBox Information Technologies Co., Ltd. to the Pledgee to ensure
          the Pledgee collect the services fees under the Services Agreement
          Licensing Agreement.

     2.2  The Pledge under this Agreement refers to the rights owned by the
          Pledgee to collect the fees (including legal fees), expenses and
          losses that Beijing AirInBox Information Technologies Co., Ltd. shall
          pay under the Service Agreement and Licensing Agreement, and the civil
          liability that Beijing AirInBox Information Technologies Co., Ltd.
          shall bear in case the Service Agreement and/or Licensing Agreement
          wholly or partially nullify due to

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          any reason.

     2.3  The Pledge under this Agreement refers to the prior right owned by the
          Pledgee to the money gained from the conversion, auction, or sell of
          the equity interests pledged by the Pledgor to the Pledgee.

     2.4  The pledge under this Agreement shall be terminated only Beijing
          AirInBox Information Technologies Co., Ltd. has performed all the
          obligations and liabilities under the Servicing Agreement and
          Licensing Agreement and the Pledgee has confirm in written form. If
          Beijing AirInBox Information Technologies Co., Ltd. does not fully
          perform all or part of its obligations or liabilities under the
          Servicing Agreement and Licensing Agreement at the expiration of such
          agreements, the Pledgee shall maintain the pledge hereunder up to the
          date all such obligations and liabilities are fully performed.

3. EFFECT

     3.1  This Agreement shall take effect as of the date when the equity
          interests pledged are recorded in the Register of Shareholder of
          Beijing AirInBox Information Technologies Co., Ltd..

     3.2  The Pledgee is entitled to dispose the pledge hereunder if Beijing
          AirInBox Information Technologies Co., Ltd. fails to pay the fees in
          accordance with the Servicing Agreement and Licensing Agreement during
          the Pledge.

4. PHYSICAL POSSESSION OF DOCUMENTS

     4.1  During the term of Pledge under this Agreement, the Pledgor shall
          deliver the physical possession of the Certificate of Distribution
          (original) of Beijing AirInBox Information Technologies Co., Ltd. and
          provide the testify of the proper record of such pledge on the
          shareholders' name list of Beijing AirInBox Information Technologies
          Co., Ltd. to the Pledgee within one week as of the date of conclusion
          of this Agreement.

     4.2  The Pledgor shall be entitled to collect the incomes (such as,
          including but not limited to, any dividends and profits) from the
          equity interests, which shall become the assurance for the debt of
          Beijing AirInBox Information Technologies Co., Ltd., within the term
          of this Agreement, except for written consent of the Pledgee.

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5. WARRANTIES AND REPRESENTATION OF THE PLEDGOR

     The Pledgor hereby makes the following representation and warranties to the
     Pledgee and confirm that the Pledgee execute such Agreement in reliance of
     such representation and warranties:

     5.1  The Pledgor is the legal owner of the equity interests hereunder and
          is entitled to create pledge on such equity interests;

     5.2  The Pledgee shall not be interfered by any other pledgee at any time
          once the Pledgee exercises the rights of the Pledge in accordance with
          this Agreement.

     5.3  The Pledgee shall be entitled to dispose or assign the pledge in
          accordance with relevant laws and this Agreement.

     5.4  The execution and performance of this Agreement of the Pledgor has
          gained all necessary authorization and shall not violate any
          applicable laws and regulations. The representative who signs this
          Agreement shall be lawfully and effectively authorized.

     5.5  The Pledgor shall not encumber the equity interests (including but not
          limited to pledge) hereunder to any other person.

     5.6  The Pledgor warrant that there is no on-going civil, administrative or
          criminal litigation or administrative punishment or arbitration
          related with the equity interests hereunder and have no idea about
          those in future at the date of conclusion of this Agreement.

     5.7  There are no outstanding taxes, fees or undecided legal procedures
          related with the equity interests hereunder at the date of conclusion
          of this Agreement.

     5.8  Each stipulation hereunder is the expression of each Party's true
          meaning and shall be binding upon all the Parties.

6 COVENANT OF THE PLEDGOR

     6.1  During the effective term of this Agreement, the Pledgor covenants to
          the Pledgee that the Pledgor shall:

          6.1.1 not transfer or assign the equity interests, create or permit to
               create any pledges which may have an adverse effect on the rights
               or benefits of the Pledgee without prior written consent from the
               Pledgee except transfer to the Pledgee or the person designated

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               by the Pledgee as required by the Pledgee;

          6.1.2 comply with and implement laws and regulations with respect to
               the pledge of rights, present to the Pledgee the notices, orders
               or suggestions with respect to the Pledge issued or made by the
               competent authority within five days upon receiving such notices,
               orders or suggestions and take actions in accordance with the
               reasonable instruction of the Pledgee;

          6.1.3 timely notify the Pledgee of any events or any received notices
               which may affect the Pledgor's equity interest or any part of its
               right, and any events or any received notices which may change
               the Pledgor's any covenant and obligation under this Agreement or
               which may affect the Pledgor's performance of its obligations
               under this Agreement, take actions in accordance with the
               reasonable instruction of the Pledgee.

     6.2  The Pledgor agrees that the Pledgee's right of exercising the Pledge
          obtained from this Agreement shall not be suspended or hampered by the
          Pledgor or any successors of the Pledgor or any person authorized by
          the Pledgor or any other person.

     6.3  The Pledgor warrants to the Pledgee that in order to protect or
          perfect the security over the payment of the technical consulting and
          service fees under the Service Agreement and the licensing fees under
          the Licensing Agreement, the Pledgor shall execute in good faith and
          cause other parties who have interests in the pledge to execute all
          the title certificates, contracts, and/or perform and cause other
          parties who have interests to take action as required by the Pledgee
          and make access to exercise the rights and authorization vested in the
          Pledgee under this Agreement, and execute all the documents with
          respect to the changes of certificate of equity interests with the
          Pledgee or another party designated by the Pledgee, and provides the
          Pledgee with all the documents regarded as necessary to the Pledgee
          within the reasonable time.

     6.4  The Pledgor warrants to the Pledgee that the Pledgor will comply with
          and perform all the guarantees, covenants, agreements, representations
          and conditions for the benefits of the Pledgee. The Pledgor shall
          compensate for all the losses suffered by the Pledgee for the reasons
          that the Pledgor does not perform or fully perform their guarantees,
          covenants, agreements, representations and conditions.

7 EVENT OF DEFAULT

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     7.1  The following events shall be regarded as an event of default:

          7.1.1 Beijing AirInBox Information Technologies Co., Ltd. or its
               successor or trustee fails to make full payment of service fees
               or licensing fees under the Servicing Agreement and Licensing
               Agreement as scheduled there under;

          7.1.2 The Pledgor makes any material misleading or fraudulent
               representations or warranties under Article 5 herein, and/or the
               Pledgor is in violation of any warranties under Article 5 herein;

          7.1.3 The Pledgor violates the warrants under Article 5 and the
               covenants under Article 6 herein;

          7.1.4 The Pledgor badly violates any terms and conditions herein;

          7.1.5 The Pledgor waives the pledged equity interests or transfers or
               assigns the pledged equity interests without prior written
               consent from the Pledgee except otherwise agreed under Article
               6.1.1 herein ;

          7.1.6 The Pledgor's any external loan, security, compensation,
               covenants or any other compensation liabilities (1) are required
               to be repaid or performed prior to the scheduled date; or (2) are
               due but can not be repaid or performed as scheduled and thereby
               cause the Pledgee to deem that the Pledgor's capacity to perform
               the obligations herein is affected;

          7.1.7 The Pledgor is incapable of repaying the general debt or other
               debt;

          7.1.8 This Agreement is illegal for the reason of the promulgation of
               any related laws or the Pledgor's incapability of continuing to
               perform the obligations herein;

          7.1.9 Any approval, permits, licenses or authorization from the
               competent authority of the government needed to perform this
               Agreement or validate this Agreement are withdrawn, suspended,
               invalidated or materially amended;

          7.1.10 The property of the Pledgor is adversely changed and cause the
               Pledgee to deem that the capability of the Pledgor to perform the
               obligations herein is affected;

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          7.1.11 Other circumstances whereby the Pledgee is incapable of
               exercising the right to dispose the Pledge in accordance with the
               related laws.

     7.2  The Pledgor shall immediately give a written notice to the Pledgee if
          the Pledgor is aware of or find that any event under Article 7.1
          herein or any events that may result in the foregoing events have
          happened or is going on.

     7.3  Unless the event of default under Article 7.1 herein has been solved
          to the Pledgee's satisfaction, the Pledgee, at any time when the event
          of default happens or thereafter, may give a written notice of default
          to the Pledgor and require the Pledgor to immediately make full
          payment of the outstanding fees under the Service Agreement and the
          Licensing Agreement, and other payables or dispose the Pledge in
          accordance with Article 8 herein.

8 EXERCISE OF THE RIGHT OF THE PLEDGE

     8.1  The Pledgor shall not transfer or assign the pledge without prior
          written approval from the Pledgee prior to the full repayment of the
          fees under the Service Agreement and the Licensing Agreement.

     8.2  The Pledgee shall give a notice of default to the Pledgor when the
          Pledgee exercises the right of pledge.

     8.3  Subject to Article 7.3, the Pledgee may exercise the right to dispose
          the Pledge at any time when the Pledgee gives a notice of default in
          accordance with Article 7.3 or thereafter.

     8.4  The Pledgee is entitled to have priority in receiving payment by the
          evaluation or proceeds from the auction or sale of whole or part of
          the equity interests pledged herein in accordance with legal procedure
          until the outstanding fees under the Servicing Agreement and the
          Licensing Agreement and all other payables there under are repaid.

     8.5  The Pledgor shall not hinder the Pledgee from disposing the Pledge in
          accordance with this Agreement and shall give necessary assistance so
          that the Pledgee could realize his Pledge.

9 TRANSFER OR ASSIGNMENT

     9.1  The Pledgor shall not donate or transfer his rights and obligations to
          any third party herein without prior consent from the Pledgee.

     9.2  This Agreement shall be binding upon the Pledgor and his successors

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          and be effective to the Pledgee and his each successor and assignee.

     9.3  The Pledgee may transfer or assign his all or any rights and
          obligations under the Service Agreement and/or the Licensing Agreement
          to any third party at any time. In this case, the assignee shall enjoy
          and undertake the same rights and obligations herein of the Pledgee as
          if the assignee is a party hereto. When the Pledgee transfers or
          assigns the rights and obligations under the Service Agreement and/or
          the Licensing Agreement, at the request of the Pledgee, the Pledgor
          shall execute the relevant agreements and/or documents with respect to
          such transfer or assignment.

     9.4  After the Pledgee's change resulting from the transfer or assignment,
          the new parties to the pledge shall reexecute a pledge contract.

10 TERMINATION

This Agreement shall not be terminated until the fees under the Service
Agreement and the Licensing Agreement are paid off and the Beijing AirInBox
Information Technologies Co., Ltd. will not undertake any obligations under the
Service Agreement and the Licensing Agreement any more, and the Pledgee shall
cancel or terminate this Agreement within reasonable time as soon as
practicable.

11 FEES AND OTHER CHARGES

     11.1 The Pledgor shall be responsible for all the fees and actual
          expenditures in relation to this Agreement including but not limited
          to legal fees, cost of production, stamp tax and any other taxes and
          charges. If the Pledgee pays the relevant taxes in accordance with the
          laws, the Pledgor shall fully indemnify such taxes paid by the
          Pledgee.

     11.2 The Pledgor shall be responsible for all the fees (including but not
          limited to any taxes, formalities fees, management fees, litigation
          fees, attorney's fees, and various insurance premiums in connection
          with disposition of Pledge) incurred by the Pledgor for the reason
          that (1) The Pledgor fails to pay any payable taxes, fees or charges
          in accordance with this Agreement; or (2) The Pledgee has recourse to
          any foregoing taxes, charges or fees by any means for other reasons.

12 FORCE MAJEURE

     12.1 If this Agreement is delayed in or prevented from performing in the
          Event of Force Majeure ("Event of Force Majeure"), only within the
          limitation of

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          such delay or prevention, the affected party is absolved from any
          liability under this Agreement. Force Majeure, which includes acts of
          governments, acts of nature, fire, explosion, geographic change,
          flood, earthquake, tide, lightning, war, means any unforeseen events
          beyond the prevented party's reasonable control and cannot be
          prevented with reasonable care. However, any shortage of credit,
          capital or finance shall not be regarded as an event beyond a Party's
          reasonable control. The Party affected by Force Majeure who claims for
          exemption from performing any obligations under this Agreement or
          under any Article herein shall notify the other party of such
          exemption promptly and advice him of the steps to be taken for
          completion of the performance.

     12.2 The Pledge affected by Force Majeure shall not assume any liability
          under this Agreement. However, subject to the Party affected by Force
          Majeure having taken its reasonable and practicable efforts to perform
          this Agreement, the Party claiming for exemption of the liabilities
          may only be exempted from performing such liability as within
          limitation of the part performance delayed or prevented by Force
          Majeure. Once causes for such exemption of liabilities are rectified
          and remedied, both parties agree to resume performance of this
          Agreement with their best efforts.

13 APPLICABLE LAW AND DISPUTE RESOLUTION

     13.1 The execution, validity, performance and interpretation of this
          Agreement shall be governed by and construed in accordance with the
          PRC law.

     13.2 The parties shall strive to settle any dispute arising from the
          interpretation or performance through friendly consultation. In case
          no settlement can be reached through consultation, each party can
          submit such matter to China International Economic and Trade
          Arbitration Commission ("CIETAC") for arbitration. The arbitration
          shall follow the current rules of CIETAC, and the arbitration
          proceedings shall be conducted in Chinese and shall take place in
          Beijing. The arbitration award shall be final and binding upon the
          parties.

     13.3 Each Party shall continue performance of this Agreement in good faith
          according to the stipulations herein except the matters in dispute.

14 NOTICE

     Any notice or correspondence, which is given by the Party as stipulated
     hereunder, shall be in Chinese and English writing and shall be delivered
     in person or by registered or prepaid mail or recognized express service,
     or be transmitted by telex or facsimile to the following addresses:

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     PLEDGEE: KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.

     Registered Address: Room 809,12 floor, Tower A, Yue Tan Building, Yue Tan
          Bei Jie, Xi Cheng District, Beijing
     Fax:  (86)10-68083118
     Tele: (86)10-68081818
     Addressee:  Yunfan Zhou

     YUNFAN ZHOU
     Address: Room 13A, No.9 Building, Guan Cheng Nan Yuan, Ma Dian, Hai Dian
          District, Beijing
     Fax:
     Tele:
     Addressee:  Yunfan Zhou

     SONGLIN YANG
     Address: Room 13A, No.9 Building, Guan Cheng Nan Yuan, Ma Dian, Hai Dian
          District, Beijing
     Fax:
     Tele:
     Addressee:  Songlin Yang

     ZHEN HUANG
     Address: Room 13A, No.9 Building, Guan Cheng Nan Yuan, Ma Dian, Hai Dian
          District, Beijing
     Fax:
     Tele:
     Addressee: Zhen Huang

     YANG CHA
     Address: Room 13A, No.9 Building, Guan Cheng Nan Yuan, Ma Dian, Hai Dian
          District, Beijing
     Fax:
     Tele:
     Addressee: Yang Cha

15 APPENDICES

     The appendices to this Agreement are entire and integral part of this
     Agreement.

16 WAIVER

     The Pledgee's non-exercise or delay in exercise of any rights, remedies,
     power or

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     privileges hereunder shall not be deemed as the waiver of such rights,
     remedies, power or privileges. Any single or partial exercise of the
     rights, remedies, power and privileges shall not exclude the Pledgee from
     exercising any other rights, remedies, power and privileges. The rights,
     remedies, power and privileges hereunder are accumulative and shall not
     exclude the application of any other rights, remedies, power and privileges
     stipulated by laws.

17 MISCELLANEOUS

     17.1 Any amendments, modifications or supplements to this Agreement shall
          be in writing and come into effect upon being executed and sealed by
          the parties hereto.

     17.2 This Agreement and all the agreements and/or documents referenced or
          specifically included herein constitute the entire agreement among the
          Parties in respect of the subject matter hereof and supersede all
          prior oral or written agreements, contract, understanding and
          correspondence among them, including the equity pledge agreement among
          the Pledgee, Yunfan Zhou, Songlin Yang and Zhen Huang dated March 31,
          2004.

     17.3 In case any terms and stipulations in this Agreement is regarded as
          illegal or can not be performed in accordance with the applicable law,
          such terms and stipulations shall be deemed to lose effect and
          enforcement within the scope governed by the applicable law, and the
          rest stipulations will remain effective.

     17.4 This Agreement is translated from the Chinese original and shall be
          kept in seven copies.

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(No text on this page)

PLEDGEE: KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.

Authorized Representative:  /s/ Nick Yang
                            -------------

PLEDGOR: YUNFAN ZHOU

Signature:  /s/ Yunfan Zhou

PLEDGOR: SONGLIN YANG

Signature:  /s/ Songlin Yang

PLEDGOR: ZHEN HUANG

Signature:  /s/ Zhen Huang

PLEDGOR: YANG CHA

Signature:  /s/ Yang Cha

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APPENDICES

1.   Register of Shareholders of Beijing AirInBox Information Technologies Co.,
     Ltd.

2.   Certificate of Capital Contribution of Beijing AirInBox Information
     Technologies Co., Ltd.

                                       13<PAGE>

                                                                    EXHIBIT 10.9

                      AMENDED AND RESTATED OPTION AGREEMENT

THIS AMENDED AND RESTATED OPTION AGREEMENT ("Agreement") is made on this 10th
day of May, 2004 in Beijing, People's Republic of China ("PRC")

among

(1)  KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD. [CHINESE
     CHARACTERS], with its registered address at Room 1205, CEC Building, No.6
     South Street of Zhong Guan Cun, Hai Dian District, Beijing, PRC ("KongZhong
     Beijing")

(2)  ZHOU, YUNFAN, a PRC citizen whose PRC identification number is
     110102197411102374, and whose residential address is 13A, No. 9 Building,
     Guang Cheng South Garden, Ma Dian, Beijing, PRC("Zhou")

(3)  YANG, SONGLIN, a PRC citizen whose PRC identification number is
     410105490701051 and whose residential address is 13A, No. 9 Building, Guang
     Cheng South Garden, Ma Dian, Beijing , PRC ("Yang")

(4)  HUANG, ZHEN, a PRC citizen whose PRC identification number is
     610104780219162 and whose residential address is, 13A, No. 9 Building,
     Guang Cheng South Garden, Ma Dian, Beijing , PRC("Huang")

and

(5)  Cha, Yang, a PRC citizen whose PRC identification number is
     110108196401019036, and whose residential address is 13A, No. 9 Building,
     Guang Cheng South Garden, Ma Dian, Beijing , PRC ("Cha")

(Each of Zhou, Yang, Huang and Cha is hereinafter referred to as a "Grantor" and
collectively the "Grantors")

WHEREAS
-------

A.   KongZhong Beijing is a wholly foreign-owned enterprise, duly established
     and registered in Beijing under the laws of the PRC.

B.   Zhou, Yang, Huang and Cha together hold 100% of the registered capital of
     Beijing AirInBox Information Technologies Co., Ltd. ("Beijing AirInBox"), a
     limited liability company, with a registered capital of RMB 10,000,000.
     (the "Equity Interests") and respectively, Zhou holds 10%, Yang holds 42%,
     Huang holds 3%,

bj-4825

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and Cha holds 45%.

C.   Grantors have agreed to grant exclusively to KongZhong Beijing an option to
     purchase the Equity Interests, subject to the terms and conditions set
     forth below.

THE PARTIES THEREFORE AGREE AS FOLLOWS:

                         ARTICLE 1: GRANT OF THE OPTION

1.1  Purchase Option
     ---------------

     Each of Zhou, Yang, Huang and Cha hereby grants to KongZhong Beijing an
     option (each and "Option" and collectively the "Options") to purchase their
     respective Equity Interests at the purchase price of RMB twenty thousand
     (20,000) per one (1) percent of the registered capital of Beijing AirInBox,
     each of such option shall become vested as of the date of this Agreement.

1.2  Term
     ----

     This Agreement shall take effect as of the date of signing by the parties
     hereto and shall remain in full force and effect until the earlier of (1)
     the date on which all of the Equity Interests have been purchased by
     KongZhong Beijing and (2) the tenth anniversary of the date hereof.

                ARTICLE 2: EXERCISE OF THE OPTION AND ITS CLOSING

2.1  Timing of Exercise
     ------------------

     2.1.1 Each of the Grantors agrees that KongZhong Beijing in its sole
          discretion may at any time, and from time to time after the date
          hereof, exercise the Options, in whole or in part, to acquire all or
          any portion of their respective Equity Interests, subject only to
          applicable laws of the PRC, including any restrictions on foreign
          investment.

     2.1.2 For the avoidance of doubt, each of the holders hereby agrees that
          KongZhong Beijing shall be entitled to exercise the Option for an
          unlimited number of times, until all of the Equity Interests have been
          acquired by KongZhong Beijing.

     2.1.3 The Grantors agree that KongZhong Beijing may designate in its sole
          discretion

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          any third party to exercise the Options on its behalf, in which case
          KongZhong Beijing shall provide written notice to the Grantor at the
          time the Option granted by such Grantor is exercised.

2.2  Transfer
     --------

     The Grantors agree that the Option shall be freely transferable, in whole
     or in part, by KongZhong Beijing to any third party, and that, upon such
     transfer, the Option may be exercised by such third party upon the terms
     and conditions set forth herein, as if such third party were a party to
     this Agreement, and that such third party shall assume the rights and
     obligations of KongZhong Beijing hereunder.

2.3  Notice Requirement
     ------------------

     2.3.1 To exercise an Option, KongZhong Beijing shall send an written notice
          to the Grantor such Option is to be exercised by no later than ten
          (10) days prior to each Closing Date (as defined below), specifying
          therein:

          2.3.1.1 The date of the effective closing of such purchase (a "Closing
               Date");

          2.3.1.2 the name of the person in which the Equity Interests shall be
               registered;

          2.3.1.3 the amount of Equity Interests to be purchased from such
               Grantor;

          2.3.1.4 the type of payment; and

          2.3.1.5 a letter of authorization, where a third party has been
               designated to exercise the Option.

     2.3.2 For the avoidance of doubt, it is expressly agreed among the parties
          that KongZhong Beijing shall have the right to exercise the Options
          and elect to register the Equity Interests in the name of another
          person as it may designates from time to time.

2.4  Closing
     -------

     On each Closing Date, KongZhong Beijing shall pay to the relevant Grantor
     the applicable purchase price for the Equity Interests to be purchased on
     such Closing Date as provided in Article 1 above.

                              ARTICLE 3: COMPLETION

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3.1  Assignment Agreement
     --------------------

     Concurrently with the execution and delivery of this Agreement, and from
     time to time upon the request of KongZhong Beijing, each of the Grantors
     shall execute and deliver one or more assignments, each in the form and
     content substantially satisfactory to KongZhong Beijing (each an
     "Assignment"), together with any other documents necessary to give effect
     to the transfer to KongZhong Beijing or its designated party of all or any
     part of the Equity Interests upon an exercise of an Option by KongZhong
     Beijing (the " Ancillary Documents"). Each Assignment and the Ancillary
     Documents are to be held in KongZhong Beijing.

3.2  Board Resolution
     ----------------

     Notwithstanding Section 3.1 above, concurrently with the execution and
     delivery of this Agreement, and from time to time upon the request of
     KongZhong Beijing, each of Grantors shall execute and deliver one or more
     resolutions of the board of directors and/or shareholders of Beijing
     AirInBox, approving the following:

     3.2.1 The transfer by the Grantor of all or part of the Equity Interests to
          KongZhong Beijing or its designated party; and

     3.2.2 any other matters as KongZhong Beijing may reasonably request.

     Each Resolution is to be held in KongZhong Beijing.

                    ARTICLE 4: REPRESENTATIONS AND WARRANTIES

4.1  Representations and Warranties
     ------------------------------

     Each of Grantors severally represents and warrants to KongZhong Beijing
          that:

     4.1.1 it has the full powder and authority to enter into, and perform
          under, this Agreement;

     4.1.2 its signing of this Agreement or fulfilling of any its obligations
          hereunder does not violate any laws, regulations and contracts to
          which it is bound, or require any government authorization or
          approval;

     4.1.3 there is no lawsuit, arbitration or other legal or government
          procedures pending which, based on its knowledge, shall materially and
          adversely affect this Agreement and the performance thereof;

                                       4
<PAGE>

     4.14 it has disclosed to KongZhong Beijing all documents issued by any
          government department that might cause a material adverse effect on
          the performance of its obligations under this Agreement;

     4.1.5 it has not been declared bankrupt by a count of competent
          jurisdiction;

     4.1.6 its equity shareholding in Beijing AirInBox is free and clear from
          all liens, encumbrances and third party rights;

     4.1.7 it will not transfer, donate, pledge, or otherwise dispose of its
          equity shareholdings in any way unless otherwise agreed by KongZhong
          Beijing;

     4.1.8 the Option granted to KongZhong Beijing shall be exclusive, and
          neither Grantor shall grant the Option or any similar rights to a
          third party by any means whatsoever; and

     4.1.9 Zhou further represents and warrants to KongZhong Beijing that he
          owns 10% of the Equity Interests of Beijing AirInBox, Yang further
          represents and warrants to KongZhong Beijing that he owns 42% of the
          Equity Interests of Beijing AirInBox, Huang further represents and
          warrants to KongZhong Beijing that he owns 3% of the Equity Interests
          of Beijing AirInBox and Cha further represents and warrants to
          KongZhong Beijing that he owns 45% of the Equity Interests of Beijing
          AirInBox. The Parties hereby agree that representations and warranties
          set forth in Sections 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5,4.1.6, 4.1.7
          and 4.1.8 shall be deemed to be repeated as of each Closing Date as if
          such representations and warrants were make on and as of such Closing
          Date.

4.2  Covenants and Undertaking
     -------------------------

     Each of Grantors covenants and undertakes to COTAB that:

     4.2.1 he will bear all costs arising from executing each Assignment, the
          Ancillary Documents and any other relevant documents required
          therefore, and will complete all such formalities as are necessary to
          make KongZhong Beijing or its designated party a full and proper
          shareholder of Beijing AirInBox. Such formalities include, but are not
          limited to, assisting KongZhong Beijing with the obtaining of
          necessary approvals of the equity transfer from relevant government
          authorities (if any), the submission of the Assignment to the relevant
          administrative department of industry and commerce for the purpose of
          amending the Articles of Association, changing the list of
          shareholders and undertaking any other changes.

                                       5
<PAGE>

     4.2.2 he will, upon request by KongZhong Beijing, establish a domestic
          entity to hold the interests in Beijing AirInBox as a Chinese party in
          case Beijing AirInBox is restructured to an FIE.

                                ARTICLE 5: TAXES

Each of the Parties undertakes to pay its portion of any taxes and duties that
might arise from the execution and performance of this Agreement.

                                ARTICLE 6: BREACH

In the event of a breach by any Party of its respective representations,
warranties, covenants or obligations under this Agreement, the breaching Party
shall compensate the non-breaching Parties for any actual losses arising
therefrom.

                ARTICLE 7: GOVERNING LAW AND DISPUTE SETTLEMENT

7.1  Governing Law
     -------------

     The execution, effectiveness, interpretation and performance of this
     Agreement shall be governed by the laws of the PRC.

7.2  Friendly Consultation
     ---------------------

     If a dispute arises in connection with the interpretation or performance of
     this Agreement, the Parties shall attempt to resolve such dispute through
     friendly consultations between them or mediation by a neutral third party.
     If the dispute cannot be resolved in the aforesaid manner within thirty
     (30) days after the commencement of such discussions, either Party may
     submit the dispute to arbitration.

7.3  Arbitration
     -----------

     Any dispute arising in connection with this Agreement shall be submitted to
     the China International Economic and Trade Arbitration Commission in
     Beijing for arbitration in accordance with its rules. The arbitral award
     shall be final and binding upon the Parties.

                           ARTICLE 8: CONFIDENTIALITY

8.1  Confidential Information
     ------------------------

                                       6
<PAGE>

     The contents of this Agreement and the Annexes hereof shall be kept
     confidential. No Party shall disclose any such information to any third
     party (except for the purpose described in Article 2.2 and by a prior
     written agreement among the Parties). Each Party's obligations under this
     clause shall survive after the termination of this Agreement.

8.2  Exceptions
     ----------

     If a disclosure is explicitly required by law, any courts, arbitration
     tribunals, or administrative authorities, such a disclosure by any Party
     shall not be deemed a violation of Article 8.1 above.

                            ARTICLE 9: MISCELLANEOUS

9.1  Extension
     ---------

     The Parties may enter into discussions regarding any extension of this
     Agreement one (1) month prior to its expiration.

9.2  Entire Agreement
     ----------------

     9.2.1 This Agreement constitutes the entire agreement and understanding
          among the Parties in respect of the subject matter hereof and
          supersedes all prior discussions, negotiations and agreements among
          them. This Agreement shall only be amended by a written instrument
          signed by all the Parties.

     9.2.2 The Annexes attached hereto shall constitute an integral part of this
          Agreement and shall have the same legal effect as this Agreement.

9.3  Notices
     -------

     9.3.1 Unless otherwise designate by the other Party, any notices or other
          correspondences among the Parties in connection with the Performance
          of this Agreement shall be delivered in person, by express mail,
          e-mail, facsimile or registered mail to the following correspondence
          addresses and fax numbers:

     KongZhong Beijing                :   KongZhong Information Technologies
                                          (Beijing) Co., Ltd.
     Address                          :   Room 809, Tower A, No. 2 Yuetan North
                                          Street, Xicheng District, Beijing,
                                          China
     Zip code                         :   100045
     Telephone                        :   (86 10) 68083188

                                       7
<PAGE>

     Facsimile                        :   (86 10) 68083118
     Contact                          :   Chief Executive Officer
     Person

     Zhou, Yunfan                     :   Zhou, Yunfan
     Address                          :   13A, No. 9 Building,
                                          Guang Cheng South Garden,Ma Dian,
                                          Beijing, China
     Zip code                         :   100088
     Telephone                        :   (86 10) 62077989
     Facsimile                        :   (86 10) 62077989

     Yang, Songlin                    :   Yang, Songlin
     Address                          :   13A, No. 9 Building, Guang Cheng South
                                          Garden, Ma Dian, Beijing, China
     Zip code                         :   100088
     Telephone                        :   (86 10) 62077989
     Facsimile                        :   (86 10) 62077989

     Huang, Zhen                      :   Huang, Zhen
     Address                          :   13A, No.9 Building, Guang Cheng South
                                          Garden, Ma Dian, Beijing, China
     Zip Code                         :   100088
     Telephone                        :   (86 10) 62077989
     Facsimile                        :   (86 10) 62077989

     Cha, Yang                        :   Cha, Yang
     Address                          :   13A, No.9 Building, Guang Cheng South
                                          Garden, Ma Dian, Beijing, China
     Zip Code                         :   100088
     Telephone                        :   (86 10) 62077989
     Facsimile                        :   (86 10) 62077989

     9.3.2 Notices and correspondences shall be deemed to have been effectively
          delivered:

          9.3.2.1 at the exact tine displayed in the corresponding transmission
               record, if delivered by facsimile, unless such facsimile is sent
               after 5:00 pm or on a non-business day in the place where it is
               received, in which case the date of receipt shall be deemed to be
               the following business day;

          9.3.2.2 on the date that the receiving Party signs for the document,
               if delivered in person (including express mail);

          9.3.2.3 on the fifteenth (15th ) day after the date shown on the
               registered mail

                                       8
<PAGE>

               receipt, if sent by registered mail;

          9.3.2.4 on the successful printing by the sender of a transmission
               report evidencing the delivery of the relevant e-mail, if sent by
               e-mail.

9.4  Binding Effect
     --------------

     This Agreement shall be binding on the Parties and their successors and
     assigns.

9.5  Language and Counterparts
     -------------------------

     This Agreement shall be executed in five (5) originals in English, with one
     (1) original for KongZhong Beijing, one (1) original each for Grantors.

9.6  Days and Business Day
     ---------------------

     A reference to a day herein is to a calendar day. A reference to a business
     day herein is to a day on which commercial banks are open for business in
     the PRC.

9.7  Headings
     --------

     The headings contained herein are inserted for reference purposes only and
     shall not affect the meaning or interpretation of any part of this
     Agreement.

9.8  Singular and Plural
     -------------------

     Where appropriate, the plural includes the singular and vice versa.

9.9  Unspecified Matter
     ------------------

     Any matter not specified in this Agreement shall be handled through
     discussions among the Parties and resolved in accordance with PRC law.

9.10 Survival of Representations, Warranties, Covenants and Obligations
     ------------------------------------------------------------------

     The respective representations, warranties, covenants and obligations of
     the Parties, as set forth in this Agreement or made by or on behalf of
     them, respectively, pursuant to this Agreement, shall remain in full force
     and effect, regardless of any investigation (or any statement as to the
     results thereof) made by or on behalf of any Party, and shall survive the
     delivery and payment for the Equity Interests.

This Agreement has been signed by the Parties or their duly authorized
representatives on the date first specified above.

                                       9
<PAGE>

KONGZHONG INFORMATION TECHNOLOGIES (BEIJING) CO., LTD.

By: /s/ Nick Yang
    -------------------------------
Signature:

Seal:

ZHOU, YUNFAN

Signature: /s/ Yunfan Zhou
           ------------------------

YANG, SONGLIN

Signature: /s/ Songlin Yang
           ------------------------

HUANG, ZHEN

Signature: /s/ Zhen Huang
           ------------------------

CHA, YANG

Signature: /s/ Yang Cha
           ------------------------

                                       10

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