APKPure Appを使用する
Task Killerの旧いバージョンをダウンロードすることが可能
Kill tasks, speed up phone, save battery life, 1 tap boost your phone.
Task Killer can list all the running tasks on your phone and it can help you stop any of the tasks easily and quickly. It is also a task management tool which can manage all the installed apps on your phone.
This is a handy application to close all your applications running in background by simply one click.