How It Works
Task Manager displays the programs, processes, and services that are currently running on your device. You can use Task Manager to monitor your android’s performance or to close a program.
Add files and apps to their respective ignore lists so they won't be cleaned in the future.
Tips & Tricks
Killing an app is generally not necessary. However, it can help if the app is misbehaving — killing and re-opening the app may cause it to work properly.