Free application
Off
will lock your screen.
With
Off
you can lock your screen with 1 tap. With "Off" you can reduce the amount of times you press the power button to extend your device's life.
Note:
Before uninstalling you have to go to "Settings" -> "Security" (or "Location & security" ) -> "Device Administrators" and make the "Off" app unchecked.
9Apps 4.9
