Switch Off and Lock screen
Description of Switch Off and Lock screen
will lock your screen.
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.
Before uninstalling you have to go to "Settings" -> "Security" (or "Location & security" ) -> "Device Administrators" and make the "Off" app unchecked.
Good App Guaranteed
This app passed the security test for virus, malware and other malicious attacks and doesn't contain any threats.