Usability : It just has a start button which will initiate a background service. You can stop the app using the same button.This app is totally free no advertisements . Just share it with your friends
Prerequisite : There must be minimum 2 applications running in background for this app to work. Some apps are not supported due to permission issues.
Bugs : Service remain active even after stopping IT on some devices.
Solution : Remove the app from memory i.e either kill it of swipe it away from the default androids multitasking window (ansroid 4.0 and above).