Smart Booster is a free storage and performance optimizer for your Android phone. It's one of the best free phone optimizers on the Play Store and it's a must-have app for every Android user. It will help you to clean junk files, remove unused applications, and free up storage space, which will lead to a faster and more efficient operation of your phone.

It will help you to clean and remove the following items:

Junk Files - the system will remove all the files that are not used by your phone and are taking up space.

APKs - it will help you to remove all the unwanted applications and the Android system will keep the ones that you need.

System Cache - it will remove all the unused cache files.

Download Folder - it will remove all the unnecessary files in the download folder.