Free up storage and optimize performance by removing old junk files and clutter such as useless APKs, residual file and system cache, cleaning out the download folder, and more. Highlights of Fast Cleaner: Simple & effectiveJust one-tap the clean button and that's it. Fast Cleaner will get the job done. Extremely focusedPerforms the most comprehensive trash-cleaning to save you more phone space. Features of Fast Cleaner: Junk File CleanerAnalyze all of your apps, detect junk including cache, residual files, temp files. Clean cache junk with one tap, free up space and boost phone speed. Useless APK FilesFind and delete useless APK files on your phone to save more storage space. Residual FilesClear up residual files from previously uninstalled applications. Memory BoostBoost your games and apps, free up memory (RAM), speed up your device, and save more battery. Fast Cleaner is 100% FREE.