Spark Booster is a utility app for Android that can help you clean up your phone and speed up its operation. With this app, you can clean up all the junk, residual, temporary files, and cache that take up your device's memory and storage space. It can also help you speed up your Android phone and make the user experience more comfortable. Spark Booster can help you kill background apps and free up memory and storage space. It can do that with just one click.