Smart Task Killer is a free Android application that optimizes your smartphone with just one touch. This app frees up memory by killing tasks run by other apps, making your smartphone faster and more efficient. The app displays the amount of memory used in an easy-to-see graph and can automatically kill tasks to make everyday usage faster and your battery last longer. You can easily configure which apps to target, and the optimization process is clearly visible. The Home App is excluded from the kill target list, so you don't have to worry about accidentally stopping it. Smart Task Killer also allows for optimization from the notification bar and widgets, as well as quick optimization without opening the app each time.

Overall, Smart Task Killer is a useful tool for anyone looking to optimize their smartphone's performance. With its simple interface and easy-to-use features, it's a great choice for those who want to improve their smartphone experience without having to dive into complicated settings.