My android tools (Pro):
1. enable/disable components(activityservicereceiverprovider)
★red:disabled.
★blue:running currently (just for service)
2. show all running tasks and processes(with pid and uid)
3. show the logcat.
4. show/edit the sharedpreferences and sqlite database of all apps
5. enable/disable apps

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(P.S. the icon coms from Sasuke's Eternal Mangekyō Sharingan)
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●Activity: An activity represents a single screen with a user interface.

●Service: A service is a component that runs in the background to perform long-running operations or to perform work for remote processes.

●Content providers: A content provider manages a shared set of app data.Through the content provider other apps can query or even modify the data (if the content provider allows it).

●Broadcast receivers: A broadcast receiver is a component that responds to system-wide broadcast announcements.

●Shared Preferences: Store private primitive data in key-value pairs.