Use APKPure App
Get Taskmanager old version APK for Android
End processes that slow down your system
Features:
★ Gratis and ad-free
★ Android 5 "Material" design
★ Ignore apps you don't want to kill
★ Add a shortcut to your homescreen to kill all running apps using only one tap
★ No nasty permissions
Supported languages:
★ English
★ German
★ Hungarian
★ French
★ Italian