Shappky, short for Shell App Killer, is an app that stops background applications using either Shizuku or Root permissions, improving device performance, reducing memory usage, and lowering heat in a lightweight and safe way. Features Flexible Permissions: Works with either Shizuku or Root access. Simplified User Interface: Practical and easy-to-use design. Fast Performance: Stops applications with high efficiency. Select System Apps: Ability to choose system apps for termination. Select Specific Apps: Choose which apps to stop based on user preference.