Process process killer or process system is definitely the best app for your Android device. You could nickname it anything you like like The Superman processor The RoboCop system etc because it Finds kills - process the lists close and ultimately kill background apps. Plus it also stops background processes.

The Features of Super Process is as follows:
✔Awesome UI & UX
✔Memory booster
✔Super Android optimizer
✔ Super Process doesn't require any Root Access
✔One click task close widget
✔Process lists all user apps and system apps
✔Process system manages and closes apps
✔Process saves battery
✔Process killer helps in reducing device's temperature.
✔Helps reduce internet ping
✔Process saves processing power and reduces number of apps which uses the android CPU
✔ Process killer improves internet gaming performance and streaming performance
✔ Process system speeds up your device hence optimizing your device's storage.
✔Process supports all Android version starting from SDK 23.
✔Process acts as a system monitoring tool

Process system App finds manage kills force stop and explore other apps that runs in background and consumes data and space. Process killer is a pro app which comes with an Android Terminal this helps in spotting and force stopping stubborn apps which refuses to close after all attempted efforts. Remember you can also close all apps at once.
Also an alternate way to use kil process to close all stubborn apps is to list all system apps and tap the "❎" fab button below to kill all system apps this therefore would compel kill process to kill all stubborn system apps hence restarting your device's launcher.

NOTICE:
Killing an App implies that all functionalities relating with the package will not longer function right until you turn them back on.

❓FAQ
Q: Why and what causes an app to restart after force stopping it.
☑ Most Apps are restarted automatically by system events. Due to system limitations most apps would always restart automatically.

Manage kill force stop examine and monitor background Applications to improve your device's stability.

Thanks for trying this App.

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Enjoy!