You must hard to press button for lock phone Shake Screen Off is a free android app help lock your screen with a simple shake. You can choose between Shake Lock Screen, Shake Screen Off, Shake Lock Phone, Shake Go Sleep, BetterSleep, and more. Every function is identified by shake, so no need to press power button again and again.
You can simply install it in your mobile phone, after that you can adjust the sensitivity according to your choice.
* Shake to lock screen, turn the screen off, Shake to go sleep, and more.
* Adjust sensibility.