If you want a true and simple file manager, then here it is.
It simply does all the functions of a File manager.
Very easy to use, small in size with all required features of file manager.

File Manager Features :
- File manager for Internal storage and external storage.
- Category wise storage data analyzing of Music file, video files, Photo files, APKs, Documents and installed and system apps.
- File manager basic functions like delete, cut, copy, select all, create folders, share etc.
- Get file information details like storage path, file size, last modified dates etc.
- Access direct downloaded files in download folder.
- Simple & Easy to use UI.

// Option A //

To download File Manager mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download File Manager mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download File Manager from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search File Manager in HappyMod App.