The product of Solo System by NewBornTown(NewBorn-Town).
Simple and easy application to turn off your device with Solo Launcher.
This plugin will enable Solo Launcher to use "Double-tap to turn off screen" feature.
Locker Screen Master

HOW TO UNINSTALL
- Please enter Solo Lock Screen click on the "Close" button and then uninstall as usual.
OR
- Disable administrator permissions in Settings -> Location & Security -> Select device administrators -> uncheck "TurnOffScreen".