Works on Android Lollipop 5.1.1 with latest system update (OTA update build LMY48I) !!
Kill tasksfree memoryspeed up phonesave battery.

#Feature
• Kill selected tasks
• Android optimizer & booster
• Ignore apps when kill tasks
• Auto kill tasks on every screen off
• Regular kill
• Startup Kill
• One click task kill widget
• Quick uninstaller
• Show battery life
• Support android 1.5/1.6/2.2/2.3/3.x/4.0
• Ad Free
• Kill GPS: Kill apps to stop GPS
• Memory Booster RAM Booster
• Memory Cleaner RAM Cleaner
• Permission manager addon for Android 4.3 (App Ops)
• Holo style

#FAQ
Q: Why do apps restart again?
A: Some apps are restarted by system events apps cannot be prevented from restarting because of the limitation of the system. It is suggested to enable auto kill in settings and it will kill tasks on every screen off. It will help to save battery life and release memory for the phone.

Q: How can I add app to ignore list?
A: You can long click on the task that you want to ignore then you will get a poped up context menu click "Ignore". The ignored apps will not be listed in the task list and will never be killed. You can manage the ignored apps in settings.

Q: How can I manage startup apps?
There is "Startup Kill" in settings it can help you to kill tasks on system startup.