TapTap Screen Lock

TapTap Screen Lock is a simple and usefull app that allow you lock screen with double-tap, freeing up your power button!

Usually, you use power button to lock your phone. However, repeatedly pressing it will eventually shorten its life.
Try TapTap now! This app allows you to double-tap your touchscreen to lock your screen, thus allowing you to extend your hardware button's life. You can configure to use this app only on home screen or anywhere you want.

IT IS SIMPLE - JUST TAP-TAP! :)

Problems with uninstall?

If uninstall button is disabled open System Settings > Security > Device administrators and deactivate TapTap Screen Lock. Then uninstall the app through Manage App.