Lock Timer description
This application will lock your device at the scheduled time. You can use it to allow someone or your children to use your device for a while and let them know it is time to return it back to you.
Note: Please refer to the below video if you have any trouble with uninstalling Lock Timer.
http://www.youtube.com/watch?v=uHD3ZTcme6g
http://www.youtube.com/watch?v=x-q0xXBwA9I