AutoKiller Memory Optimizer & Pro key 8.1.1 Full APK. Speed up your rooted and get decent battery life with AutoKiller phone. AutoKiller Memory Optimizer speeds up your computer and protect your battery at the same time! Forget the task murderers! AutoKiller Memory Optimizer is not a regular task manager, is an award winning minfree tweaker, it fine-tunes android systems inner memory management to keep your device fast over time. As a side effect it also lowers battery consumption. Also includes a manual process / service manager.