Document:

Exhibit
4.19

    

    Power
of Attorney

    

    
      
        	
                Principal:

              	
                Yang
      Li

              
	
                ID
      No.:

              	
                110104197708032533

              
	
                Address:

              	
                No.
      210, Building 397, Guang’anmenwai Avenue, Xuanwu District,
      Beijing

              
	 
      	 
      
	
                Agent:

              	
                Leilei
      Wang

              
	
                ID
      No.:

              	
                110102197304020437

              
	
                Address:

              	
                No.1001,
      Building 1, Xiao Yang Yi Bin Hutong, Dongcheng District,
      Beijing

              

      

    

    

    The
Principal, Yang Li, a citizen of the People’s Republic of China, hereby
authorizes Mr. Wang Leilei to exercise all voting powers as a shareholder of
Beijing Chengxitong Information Technology Co., Ltd. (“Chengxitong”) during the
term of this Power of Attorney, including not limited to acting as the
authorized representative to nominate and elect senior management officers such
as directors, general manager at shareholders’ meetings of
Chengxitong.

    

    Unless
consented by the board of directors of KongZhong Information Technologies
(Beijing) Co., Ltd. (KongZhong Beijing), the aforesaid authorization is
irrevocable. The Principal also agrees that KongZhong Beijing is entitled to
appoint a new agent to replace the original agent, and will execute relevant
documents and take all necessary actions to complete the new
appointment.

    

    The
Agent, with the authorization of the Principal, shall exercise shareholders’
voting powers of Chengxitong with due diligence and care, and will act in
accordance with directions of the board of directors of KongZhong
Beijing.

    

    This
Power Attorney will come into effect on the day of execution and will expire
upon dissolution of KongZhong Beijing.

    

    /s/
Yang Li     
 (Signature)

    Yang
Li

    

    Date:
2008-10-13Exhibit
4.21

    Power
of Attorney

    

    
      
        	
                Principal:

              	
                Xuelei
      Wu

              
	
                ID
      No.:

              	
                110102197501140024

              
	
                Address:

              	
                No.23,
      Ningbo Street, Xicheng District, Beijing

              
	 
      	 
      
	
                Agent:

              	
                Leilei
      Wang

              
	
                ID
      No.:

              	
                110102197304020437

              
	
                Address:

              	
                No.1001,
      Building 1, Xiao Yang Yi Bin Hutong, Dongcheng District,
      Beijing

              

      

    

    

    The
Principal, Xuelei Wu, a citizen of the People’s Republic of China, hereby
authorizes Mr. Wang Leilei to exercise all voting powers as a shareholder of
Beijing Chengxitong Information Technology Co., Ltd. (“Chengxitong”) during the
term of this Power of Attorney, including not limited to acting as the
authorized representative to nominate and elect senior management officers such
as directors, general manager at shareholders’ meetings of
Chengxitong.

    

    Unless
consented by the board of directors of KongZhong Information Technologies
(Beijing) Co., Ltd. (KongZhong Beijing), the aforesaid authorization is
irrevocable. The Principal also agrees that KongZhong Beijing is entitled to
appoint a new agent to replace the original agent, and will execute relevant
documents and take all necessary actions to complete the new
appointment.

    

    The
Agent, with the authorization of the Principal, shall exercise shareholders’
voting powers of Chengxitong with due diligence and care, and will act in
accordance with directions of the board of directors of KongZhong
Beijing.

    

    This
Power Attorney will come into effect on the day of execution and will expire
upon dissolution of KongZhong Beijing.

    

    /s/ Xuelei
Wu       
 (Signature)

    Xuelei
Wu

    

    Date:
2008-10-13Exhibit
4.23

    

    Power
of Attorney

    

    
      	
              Principal: 

            	
              Yang
  Li

            

    

    
      	
              ID
      No.: 

            	
              110104197708032533

            

    

    
      	
              Address:

            	
              No.
      210, Building 397, Guang’anmenwai Avenue, Xuanwu District,
      Beijing

            

    

    

    
      	
              Agent: 

            	
              Leilei
    Wang

            

    

    
      	
              ID
      No.: 

            	
              110102197304020437

            

    

    
      	
              Address:

            	
              No.1001,
      Building 1, Xiao Yang Yi Bin Hutong, Dongcheng District,
      Beijing

            

    

    

    The
Principal, Yang Li, hereby authorizes Mr. Wang Leilei to exercise all voting
powers as a shareholder of Beijing Xinrui Network Technologies
Co., Ltd. (“Beijing Xinrui”) during the term of this Power of Attorney,
including not limited to acting as the authorized representative to nominate and
elect senior management officers such as directors, general manager at
shareholders’ meetings of Beijing Xinrui.

    

    Unless
consented by the board of directors of Anjian Xingye
Technologies(Beijing)Co., Ltd. (Anjian Xingye), the
aforesaid authorization is irrevocable. The Principal also agrees that Anjian
Xingye is entitled to appoint a new agent to replace the original agent, and
will execute relevant documents and take all necessary actions to complete the
new appointment.

    

    The
Agent, with the authorization of the Principal, shall exercise shareholders’
voting powers of Beijing Xinrui with due diligence and care, and will act in
accordance with directions of the board of directors of Anjian
Xingye.

    

    This
Power Attorney will come into effect on the day of execution and will expire
upon dissolution of Anjian xingye.

    

    
      
        
          	      
                  /s/
      Yang Li

                	
                   (Signature)

                
	
                  Yang
      Li

                

        

      

    

    

    Date:
2008-10-13Exhibit
4.25

    

    Power
of Attorney

    

    
      	
              Principal: 

            	
              Guijun
    Wang

            

    

    
      	
              ID
      No.: 

            	
              110108197604075411

            

    

    
      	
              Address: 

            	
              No.
      17, Andeli North Street Jia, East District,
  Beijing

            

    

    

    
      	
              Agent: 

            	
              Leilei
    Wang

            

    

    
      	
              ID
      No.: 

            	
              110102197304020437

            

    

    
      	
              Address:

            	
              No.1001,
      Building 1, Xiao Yang Yi Bin Hutong, Dongcheng District,
      Beijing

            

    

    

    The
Principal, Guijun Wang, hereby authorizes Mr. Wang Leilei to exercise all voting
powers as a shareholder of Beijing Xinrui Network Technologies
Co., Ltd. (“Beijing Xinrui”) during the term of this Power of Attorney,
including not limited to acting as the authorized representative to nominate and
elect senior management officers such as directors, general manager at
shareholders’ meetings of Beijing Xinrui.

    

    Unless
consented by the board of directors of Anjian Xingye
Technologies(Beijing)Co., Ltd. (Anjian Xingye), the
aforesaid authorization is irrevocable. The Principal also agrees that Anjian
Xingye is entitled to appoint a new agent to replace the original agent, and
will execute relevant documents and take all necessary actions to complete the
new appointment.

    

    The
Agent, with the authorization of the Principal, shall exercise shareholders’
voting powers of Beijing Xinrui with due diligence and care, and will act in
accordance with directions of the board of directors of Anjian
Xingye.

    

    This
Power Attorney will come into effect on the day of execution and will expire
upon dissolution of Anjian xingye.

    

    
      
        
          	

                  /s/
      Guijun Wang

                	
                   (Signature)

                
	
                  Guijun
      Wang

                

        

      

    

    

    Date:
2008-10-13Exhibit
4.26

     

    Power
of Attorney

    

    
      	
              Principal: 

            	
              Jingye
    Sun

            

    

    
      	
              IDNo.: 

            	
              110102197202232316

            

    

    
      	
              Address: 

            	
              No.7
      Block A, building8, Fuwai Avenue, Xicheng District,
    Beijing.

            

    

    

    
      	
              Agent: 

            	
              Zhou
    Yunfan

            

    

    
      	
              IDNo.: 

            	
              110102197411102374

            

    

    
      	
              Address: 

            	
              13A,
      Building 9, South Garden, Guancheng, Madian Haidian District,
      Beijing

            

    

    

    The
Principal, Jingye Sun, a citizen of the People’s Republic of China, hereby
authorizes Mr. Yunfan Zhou to exercise all voting powers as a shareholder of
Beijing Wireless Interactive Network Technology Co., Ltd. (“Wireless
Interactive”) during the term of this Power of Attorney, including not limited
to acting as the authorized representative to nominate and elect senior
management officers such as directors, general manager at shareholders’ meetings
of Wireless Interactive.

    

    Unless
consented by the board of directors of KongZhong Information Technologies
(Beijing) Co., Ltd. (KongZhong Beijing), the aforesaid authorization is
irrevocable. The Principal also agrees that KongZhong Beijing is entitled to
appoint a new agent to replace the original agent, and will execute relevant
documents and take all necessary actions to complete the new
appointment.

    

    The
Agent, with the authorization of the Principal, shall exercise shareholders’
voting powers of Wireless Interactive with due diligence and care, and will act
in accordance with directions of the board of directors of KongZhong
Beijing.

    

    This
Power Attorney will come into effect on the day of execution and will expire
upon dissolution of KongZhong Beijing.

    

    
      
        
          
            	      
                    /s/ Jingye Sun

                  	
                     (Signature)

                  
	 
      	 
      
	
                    Jingye Sun

                  
	 
	
                    Date:
      2008-9-5

                  

          

        

      

    

    

    
      
        
        

      

      
        1

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