features : 1. Open System's Default Power menu 2. Lock the Phone Screen 3. Volume buttons for Screen Locking this app Uses BIND ACCESSIBILITY SERVICE permission to perform Global Actions like : 1 . Lock The Screen 2. Open System's Default power Menu 3 . monitor key events of volume button For Screen locking Important , a device can only be turned on by the hardware power button , as far as we know . so please only turn of your phone if your device's hardware power button is functional Uses ACCESSIBILITY API to perform those 3 operations mentioned above