It show the info on your notification panel. It can show permissions, traffic, storage statistics, etc. It also show extra info on status bar.
Notification Panel: App Info of foreground app
Notification Icon: Network meter, RAM, battery, date, etc.
App Info Mini, for Lollipop, Marshmallow and Nougat.
1.0.25 (Important update)
* Optimized for Memory consumption (caching)
* Optimized for CPU consumption (caching / internal skip update mechanism)
* Add “show system status only” notification option (Settings)
* Fix for Kitkat (blinking notification)
* Fix for Coolpad / Zuk devices
* Force close fix
* Fix android 4 flickering issue
* Fix android 4 / 5 permission list bug
* Tap on permission list text to view icons
* Android 7: Quick setting tile icon ON / OFF switch