Use APKPure App
Get AppInfo Mini old version APK for Android
Show App Info of foreground app on Notification Panel
It provide a quick way for accessing "App Info" for the foreground app. 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.