File Expert is created to help optimize files and processes in your phone to keep your device clean and safe. Main features of File Expert: File manager: analyze the files on your phone, find and remove unnecessary and junk files to get more space. You can move, rename, view or delete any files. Smart Categories: easy surfing through your files with file categories. Images, Pictures, Videos, Movies, Audio , Music, Documents (xls, pdf, etc), Archives (zip, rar). File Cleaner: regularly clean your phone from junk and unnecessary cache files to keep your phone in the best condition. Speed Booster: close unnecessary applications that are running in the background. It will boost the processing speed and save battery. Battery Saver: you can analyze battery usage and stop all unnecessary apps that are not in use. It will extend your mobile phone usage time and promote battery life. Bookmarks: bookmark your favorite folder and it will appear on the homepage, so that you can quickly enter the folder in the future. CPU Cooler: some apps can cause temperature rise of your CPU. You can easily monitor and clean and cool your phone in time.