Screen Lock

This application allow you to turn off screen.
+ To do it, you have to add Device Admin to the app.
+ After that, you can turn off the screen and lock device with one touch.
+ When you do not need this app, you can uninstall it by following this steps:
- Remove Device Admin: System Settings > Security > Device Administrations > Unchecked 'Screen Lock'
- Uninstall the application.