The message should be like:
Send:{"token":0,"msg_id":257}
Send:{"token":TokenNumber,"msg_id":1,"type":"app_status"}
Send:{"token":TokenNumber,"msg_id":2,"type":"camera_clock","param":"2012-12-24 23:59:59"}
Send:{"token":TokenNumber,"msg_id":9,"param":"video_resolution"}
...
so the first is...