App Killer is a free Android utility app developed by shinyryu2012. It helps you manage your device's memory and apps by allowing you to kill processes with just a click. Additionally, you can get detailed information about any app by long clicking on it.

With its simple and intuitive interface, App Killer makes it easy to free up memory and improve the performance of your device. You can quickly see which apps are running and how much memory they are using. Killing unnecessary processes can help extend your device's battery life and prevent it from slowing down.

Overall, App Killer is a useful tool for anyone looking to optimize their device's performance. Its straightforward functionality and ease of use make it a great addition to any Android device.