Power off (shutdown) your device. ROOT ACCESS NEED! If you are not aware whether or not your phone has root access, you probably don't have root access. ROOT REQUIRED, WILL NOT WORK WITHOUT ROOT! Create shortcuts on your home screen to power off (shutdown) with one click. There is a known issue where this does not work on phones with Sense (EVO, Inc, etc).
The antivirus report reveals that the app is safe. GRuV has designed Power off that lies within the Tools category. This application was downloaded and installed by over 0,5M users and the most recent stable release was on Dec 12, 2017.
Users rated the app 2.9 on Google Play. Advertisements are a part of Power off. A lot of users installed this application on their Samsung and HTC devices.
Download the .apk installer of Power off 2.0.0 that is completely free and take a look at users' reviews on Droid Informer. This application setup package requires 959 KB to be successfully installed. The app is compatible with Android 4.0 and higher.