File Manager + is described as 'Easy and powerful file explorer for Android devices. It’s free, fast and full-featured. Because of its simple UI, it’s extremely easy to use. You can easily manage storages on your device, NAS(Network-attached storage), and cloud storages' and is a File Manager in the file management category. There are more than 25 alternatives to File Manager + for Android, Android Tablet and F-Droid. The best File Manager + alternative is Fossify File Manager, which is both free and Open Source. Other great apps like File Manager + are Material Files, Prism File Explorer, Amaze File Manager and Right Files.
OI File Manager allows you to browse your SD card, create directories, rename, copy, move, and delete files. It also acts as an extension to other applications to display "Open" and "Save" dialogs.
Some phones, tablets and other devices don't have a file manager installed by default. There's usually a file manager available though: hidden away in the settings app. This shortcut app allows you to open that file manager with just one click from your app list.
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