Document:

Exhibit
4.88

      Business
Operations Agreement

      

      This
Business Operations Agreement (this “Agreement”) is entered into on the day of
April 1, 2009, in Beijing by and among the following parties:

      

      
        
          	
                  Party
      A:

                	
                  Kongzhong Information
      Technologies (Beijing) Co., Ltd.

                
	
                  Address:

                	
                  35F,
      Tengda Plaze, No.168 Xiwai Street, Haidian District,
    Beijing

                
	
                  Legal
      Representative:

                	
                  Guijun
      Wang

                
	 
      	 
      
	
                  Party
      B:

                	
                  Shanghai
      Mailifang Communications Ltd.

                
	
                  Address:

                	
                  Room
      112, No. 258, Guichang Road, Pudong New District,
  Shanghai.

                
	 
      	 
      
	
                  Party
      C:

                	
                  Xu
      Guo

                
	 
      	 
      
	
                  Party
      D:

                	
                  Yang
      Yang

                

        

      

      

      WHEREAS:

      

      
        	
                1.

              	
                Party
      A is a wholly foreign-owned enterprise registered in the
    PRC;

              

      

      

      
        	
                2.

              	
                Party
      B, a wholly domestic-owned company registered in the PRC, is approved by
      relevant government authorities to engage in the value-added
      telecommunications service;

              

      

      

      
        	
                3.

              	
                A
      business relationship has been established between Party A and Party B by
      entering into Exclusive
      Technical Consulting and Services Agreement, under which Party B
      shall pay all incomes from main business operations to Party A, and
      subsequently the daily operation of Party B will have a material impact on
      its payment capacity to Party A;

              

      

      

      
        	
                4.

              	
                Party
      C and party D are all shareholders of Party B (the “Shareholders of Party
      B”), which own 90% and 10% equity in Party B
  respectively.

              

      

      

      Party A,
Party B, Party C and Party D, through friendly negotiation in the principle of
equality and common interest, hereby jointly agree the
following:

      
        
           

        

        
          1

          
            

          

        

        
           

        

      

      

      
        	
                1.

              	
                Non-action
      Obligation

              

      

      

      In order
to ensure Party B’s performance of the agreements between Party A and Party B
and all its obligations to Party A, Party B together with its shareholders Party
C and Party D hereby jointly confirm and agree that Party B will not conduct any
transaction which may materially affect its assets, obligations, rights or the
company’s operation unless a prior written consent from Party A or another Party
appointed by Party A, including but not limited to the following contents, has
been obtained:

      

      
        	
                1.1

              	
                To
      conduct any business which is beyond normal business
      operations;

              

      

      

      
        	
                1.2

              	
                To
      borrow money or incur any debt from any third
  party;

              

      

      

      
        	
                1.3

              	
                To
      change or dismiss any directors or to dismiss and replace any senior
      management officers;

              

      

      

      
        	
                1.4

              	
                To
      sell to or acquire from any third party any assets or rights exceeding RMB
      200,000 Yuan, including but not limited to any intellectual property
      rights;

              

      

      

      
        	
                1.5

              	
                To
      provide guarantee for any third party with its assets or intellectual
      property rights or to provide any other guarantee or to place its assets
      under any other obligations;

              

      

      

      
        	
                1.6

              	
                To
      amend the Articles of Association of the company or to change its scope of
      business;

              

      

      

      
        	
                1.7

              	
                To
      change the normal business process or modify any material by
      laws;

              

      

      

      
        	
                1.8

              	
                To
      assign rights and obligations under this Agreement to any third
      party.

              

      

      

      
        	
                2.

              	
                Management
      of Operation and Arrangements of HR

              

      

      

      
        	
                2.1

              	
                Party
      B together with its shareholders Party C and Party D hereby jointly agree
      to accept and strictly enforce the proposals in respect of the employment
      and dismissal of its employees, the daily business management and
      financial management, etc., provided by Party A from time to
      time.

              

      

      

      
        	
                2.2

              	
                Party
      B together with the Shareholders of Party B hereby jointly agree that the
      Shareholders of Party B shall only appoint candidates designated by Party
      A as the directors of Party B in accordance with the procedures regulated
      by laws and regulations and the Article of Association of the company, and
      cause the chosen directors to elect Party A’s president candidate as
      President of the company, and Party B shall engage Party A’s nominees
      as Party B’s General
      Manager, Chief Financial Officer, and other senior
    officers.

              

      

      

      
        	
                2.3

              	
                If
      any of the above officers quits or is dismissed by Party A, he or she will
      lose the qualification to undertake any positions in Party B and therefore
      the Shareholders of Party B shall appoint other nominees of Party A to
      assume such positions.

              

      

      
        
           

        

        
          2

          
            

          

        

        
           

        

      

      

      
        	
                2.4

              	
                For
      the purpose of 2.3, the Shareholders of Party B shall take all necessary
      inside and outside procedures to accomplish the above dismissal and
      engagement.

              

      

      

      
        	
                2.5

              	
                The
      Shareholders of Party B hereby agree, simultaneously with the execution of
      this Agreement, to sign Powers of Attorneys, according to which the
      Shareholders of Party B will authorize personnel designated by Party A to
      exercise their shareholders’ rights and their full voting rights as
      shareholders at Party B’s shareholders’ meetings. The Shareholders of
      Party B further agree to replace the authorized persons appointed in the
      above mentioned Power of Attorney at any time at the request of Party
      A.

              

      

      

      
        	
                3.

              	
                Other
      Agreements

              

      

      

      
        	
                3.1

              	
                In
      the event that any of the agreements between Party A and Party B
      terminates or expires, Party A is entitled to terminate all agreements
      between Party A and Party B including but not limited to the Exclusive
      Technical and Consulting Services
Agreement.

              

      

      

      
        	
                3.2

              	
                Whereas
      the business relationship between Party A and Party B has been establishes
      through the Exclusive Technical Consulting and Services Agreement and
      other agreements and the daily business operations of Party B shall bear a
      material impact on its capacity to pay the payables to Party A, the
      Shareholders of Party B jointly agree that they will immediately and
      unconditionally pay or transfer to Party A any bonus, dividends or any
      other incomes or benefits (regardless of the forms) obtained from Party B
      as shareholders of Party B at the time such payables
  occur.

              

      

      

      
        	
                4.

              	
                Entire
      Agreement and Modifications

              

      

      

      
        	
                4.1

              	
                This
      Agreement together with all the other agreements and/or documents
      mentioned or explicitly included in this Agreement will be part of the
      whole agreement concluded in respect of the matters in this Agreement and
      shall replace all other prior oral and written agreements, contracts,
      understandings and communications among all the parties involving this
      matters.

              

      

      

      
        	
                4.2

              	
                Any
      amendment and supplement to this Agreement shall take effect only after it
      is executed by all Parties. The amendment and supplement duly executed
      shall be part of this Agreement and shall have the same legal effect as
      this Agreement.

              

      

      

      
        	
                5.

              	
                Governing
      Law

              

      

      

      The
execution, effect, performance and the resolution of disputes of this Agreement
shall be governed by and construed in accordance with the PRC laws.

       

      
        
           

        

        
          3

          
            

          

        

        
           

        

      

      
        	
                6.

              	
                Dispute
      Resolution

              

      

      

      
        	
                6.1

              	
                The
      parties shall strive to settle any dispute arising from the interpretation
      or performance through negotiation in good faith. 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 in accordance with the current rules of CIETAC. The
      arbitration proceedings shall take place in Beijing and shall be conducted
      in Chinese. The arbitration award shall be final and binding upon all
      parties.

              

      

      

      
        	
                6.2

              	
                Each
      Party shall continue to perform its obligations in good faith according to
      the provisions of this Agreement except for the matters in
      dispute.

              

      

      

      
        	
                7.

              	
                Notice

              

      

      

      
        	
                7.1

              	
                Notices
      for the purpose of exercising the rights and performing the obligations
      hereunder shall be in writing and be delivered by personal delivery,
      registered or mail or postage prepaid mail, recognized courier service or
      by facsimile transmission to the address of the relevant party or parties
      set forth below.

              

      

      

      
        
          
            
              	
                      Party
      A:

                    	
                      Kongzhong
      Information Technologies (Beijing) Co., Ltd.

                    
	
                      Address:

                    	
                      35
      F, Tengda Plaza, No.168 Xiwai Street, Haidian District, Beijing,
      PRC

                    
	
                      Fax:

                    	
                      (86)10−88575872

                    
	
                      Tele:

                    	
                      (86)10−88576000

                    
	
                      Addressee:

                    	
                      Leilei
      Wang

                    
	 
      	 
      
	
                      Party
      B:

                    	
                      Shanghai
      Mailifang Communications Ltd.

                    
	
                      Address:

                    	
                      35
      F, Tengda Plaza, No.168 Xiwai Street, Haidian District, Beijing,
      PRC

                    
	
                      Fax:

                    	
                      (86)10−88575872

                    
	
                      Tele:

                    	
                      (86)10−88576000

                    
	
                      Addressee:

                    	
                      Leilei
      Wang

                    
	 
      	 
      
	
                      Party
      C: Xu Guo and Party D:Yang Yang

                    
	
                      Address:

                    	
                      35
      F, Tengda Plaza, No.168 Xiwai Street, Haidian District, Beijing,
      PRC

                    
	
                      Fax:

                    	
                      (86)10−88575872

                    
	
                      Tele:

                    	
                      (86)10−88576000

                    
	
                      Addressee:

                    	
                      Leilei
      Wang

                    

            

          

        

      

      

      
        	
                8.

              	
                Effect,
      Term and Other About This Agreement

              

      

      

      
        	
                8.1

              	
                Any
      written consent, suggestion, appointment or other decisions which have
      material effects on Party B’s daily business operations involved in this
      Agreement shall adopted by the board of directors of Party
    A.

              

      

      

      
        	
                8.2

              	
                This
      Agreement will take effect upon execution by duly authorized
      representatives of all parties and the term of this Agreement will last
      until Party A is dissolved according to the PRC
  laws.

              

      

       

      
        
           

        

        
          4

          
            

          

        

        
           

        

      

      
        	
                8.3

              	
                Party
      B and the Shareholders of Party B shall not terminate this Agreement
      within the term of this Agreement while Party A is entitled to terminate
      this Agreement any time by issuing a written notice to Party B and the
      Shareholders of Party B 30 days prior to the
  termination.

              

      

      

      
        	
                8.4

              	
                In
      case any term or provision in this Agreement is regarded as illegal or can
      not be performed in accordance with the applicable law, it shall be deemed
      to be deleted from this Agreement and be null and void, and this Agreement
      shall be treated as without it from the very beginning. However, the rest
      of the provisions will remain effective. The parties shall replace the
      deleted provisions with lawful, effective and mutually acceptable ones
      through negotiations.

              

      

      

      
        	
                8.5

              	
                Any
      non-exercise of any rights, powers or privileges hereunder shall not be
      deemed as a waiver thereof. Any single or partial exercise of such rights,
      powers or privileges shall not exclude one party from exercising any other
      rights, powers or privileges.

              

      

       

      IN WITNESS WHEREOF the parties
hereto have caused this Agreement to be duly executed on their behalf by duly
authorized representatives as of the Effective Date first written
above.

       

      
        
           

        

        
          5

          
            

          

        

        
           

        

      

      (No text
on this page)

      

      Party
A: Kongzhong Information Technologies (Beijing) Co., Ltd.

      
        

        
          
            
              
                
                  
                    	
                            Authorized
      Representative:

                          	
                            (seal)

                          	 
      

                  

                

              

            

          

        

      

      

      Party
B: Shanghai Mailifang Communications Ltd.

      
        

        
          
            
              
                
                  
                    	
                            Authorized
      Representative:

                          	
                            (seal)

                          	 
      

                  

                

              

            

          

        

         

      

      Party
C: Xu Guo

      

      Signature:
/s/ Xu
Guo

      

      Party
D: Yang Yang

      

      Signature:
/s/ Yang
Yang

      
        
           

        

        
          6Unassociated Document

    

      Exhibit
4.92

      

      Supplemental
Agreement No.4 to the Premises Lease Agreement No. TD0196

      

      Lessor:
Beijing Gaoling Estate Development Co., Ltd.

      Lessee:
Beijing AirInbox Information Technologies Co., Ltd.

      

      The
Realty Lease Contract No. TD0196 signed by and between the Lessor and Lessee
(hereinafter the “Contract”) shall be expired on
August 27, 2008; however the Lessee desires to continue leasing the rooms
01/02/03/06/07/09/11 on the 8th floor
of Tengda Plaza after the expiry of the said Contract. Hence, it is hereby
agreed by the Lessor and Lessee as follows after friendly
negotiations.

      

      
        	
                1.

              	
                Effective
      from August 28, 2008, the subsection 2 of Article 1 under the Realty Lease
      Contract No. TD0196 shall be amended and read as “the lease term of the
      Premises shall be one year, commencing from August 28, 2008 through August
      27, 2009.”

              

      

      

      
        	
                2.

              	
                Effective
      from August 28, 2008, the subsection 3 of Article 1 under the Realty Lease
      Contract No. TD0196 shall be amended and read as “the rental of the
      Premises shall be RMB 3.30 per day per square meter and the property
      management charge shall be RMB 1.00 per day per square meter, of which the
      aggregated monthly rental (including property management charges) of the
      subject matter of the Contract shall be RMB143,190.00. Under this Contract
      each month will be computed on a 30-day basis. The rental and property
      management charges shall be paid on a monthly basis by means of advanced
      payment, whereby the Lessee shall pay the Lessor the rental and property
      management charges for the next payment period within 10 days before the
      commencement of the next payment period (payment period shall be the
      28th
      day of the applicable month through the 27th
      day of the following month) and such payment shall be deemed as paid with
      receipt of the Lessor. If the Lessee fails to make any payment above
      according to the terms of the Contract, the Lessee shall pay Lessor a late
      payment fee computed at 0.02% of all amount due for each default
      day.”

              

      

      

      
        	
                3.

              	
                Effective
      from August 28, 2008, the subsection 5 of Article 1 under the Realty Lease
      Contract No. TD0196 shall be amended and read as “as of the signing of
      this Contract, the Lessee shall pay Lessor a deposit as guarantee of its
      faithful performance of the terms of the Contract (hereinafter the “Deposit”), which shall
      be equal to three months rentals and property management charges, i.e. RMB
      429,570.00 (RMB Four Hundred and Twenty-Nine Thousand Five Hundred and
      Seventy) in aggregate.”

              

      

      

      
        	
                4.

              	
                Grace
      period shall be 70 days in aggregate, which commences from August 28, 2008
      through November 5, 2008.

              

      

      
        
           

        

        
          1

          
            

          

        

        
           

        

      

      During
the grace period, the Lessee is obligated to pay the property management charges
at RMB 1.00 per day per square meter and other payable expenses. If the Contract
is early terminated due to a reason attributable to the Lessee, the Lessee shall
not be entitled to the grace period. Any grace period day after the termination
date of the Contract that the Lessee has not enjoyed shall become void, and the
Lessor is not obligated to compensate the Lessee for such void grace period
days. If the Lessee terminates the Contract before the expiry of the Contract
term or the Contract is early terminated due to a reason attributable to Lessee,
the Lessee shall make full payment to the Lessor of the rental of the grace
period enjoyed according to the rental rate provided in the
Contract.

      

      
        	
                5.

              	
                This
      Supplemental Agreement is a supplement and amendment to the Realty Lease
      Contract No. TD0196 and its relevant supplemental agreements, all of which
      shall have equal legal effect. If there is any conflict between the terms
      of this Supplemental Agreement and the terms of the Realty Lease Contract
      No. TD0196 or any of its relevant supplemental agreements, the terms of
      this Supplemental Agreement shall prevail; all terms that are consistent
      with the terms of the Realty Lease Contract No. TD0196 and its relevant
      supplemental agreements shall continue in full
  force.

              

      

      

      
        	
                6.

              	
                This
      Agreement is written in two original copies, of which each of the Lessor
      and Lessee shall keep one. The Agreement shall take effect on the date
      when the parties sign and seal the
Agreement.

              

      

      

      
        
          
            
              	
                      Lessor:
      Beijing Gaoling Estate 

                      Development
      Co., Ltd.

                    	 	
                      Lessee:
      Beijing AirInbox Information 

                      Technologies
      Co., Ltd.

                    
	 	 	 
	
                      Legal
      Representative or Authorized 

                      Representative:
      (signature)

                    	 	
                      Legal
      Representative or Authorized 

                      Representative:
      (seal)

                    
	 	 	 
	
                      Dated:
      May 12, 2008

                    	 	
                      Dated:
      May 12, 2008

                    

            

          

        

      

      
        
           

        

        
          2

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