Hi,
 
Is there any way using Intent as below :

Intent i = new Intent("com.motorolasolutions.intent.action.HOMEKEY_MODE");
i.putExtra("state", 1); 
sendBroadcast(i); 
1 - Enable
0 - Disable

 
To disable the App Switch button in JellyBean for TC55. TC55 don`t have Key Map Manager.