App Ops is a part of Android system which allows the permissions of individual apps to be tweaked.
This app requires root permission.
What is App Ops:
To each app, whether been disabled is not perceivable.
What this app do：
Form Android 4.4, user interface of App Ops was removed.
This app bring App Ops back to you.
What can you do with this app：
For Android 6.0+ users, you can disable the permission of app which refuse to run without permission (allow in system and set deny or ignore in App Ops).
For pre-Android 6.0 users, you can use it as a simple permission control app.
Thing you should know:
Operations will shown after app try to use it.
Operations you can change is system version related, for example, “run in background” was added from Android 7.0.
Not work on some device with root permission
May not work or crash on some highly customed ROM
Add ads (sorry for that) and purchase to remove ads (testing)
Add sort by install time
Add new app notify (available if purchased remove ads)
BUG fix and UI improve
For CyanogenMod users:
Support some feature of CM appops