Do not install this without being sent here from avast! Mobile Security first.Please instead install our full avast! Mobile Security app here:https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity- Note that this version does NOT offer root features, you need to install avast! Anti-Theft from avast! Mobile Security advanced installation mode if you want to leverage rooted functionality.- If you run into trouble and you need to uninstall avast! Anti-Theft you can use avast! Mobile Security which offers an uninstallation wizard that leads you through the process, both on rooted and non-rooted installs.