Turn off your screen with just one touch! Or just turn off your screen by shaking your phone! Lock Screen is one of the most popular lock screen tools. It provides both lock screen widget and lock screen shortcut icon for the users to lock and turn off their screen with just one tap on the screen. You can even lock your phone just by shaking your phone! You don't have to worry your power key breaking down because you can use this app to do the same job! The new version add hide lock icon option, now you can have an invisible lock icon on your desktop, so that you can lock your screen and have a clean desktop!