File manager is a free Android application developed by PERFECTO, categorized under personalization. It allows the user to manage files on their phone memory and SD card with ease. This application offers features such as copying, cutting, pasting, moving, deleting, and renaming files. It also allows for the sharing of files, including APKs, via Bluetooth or email. Additionally, it includes a multi-mark feature and the ability to sort files and folders based on alphabetical order, size, or type. Users can backup applications and zip or unzip files with backup and zip features, respectively. However, it is important to note that the app requires access to storage to work, which can be manually granted on Android 6.0 and higher through settings. Overall, file manager is a clean and efficient tool for file management on Android devices.