OI File Manager is a tool that lets you manage the content on your SD card more easily from your Android terminal. You can create directories and copy or delete every kind of file.
Encryption is necessary when it comes to files/folders especially in a so i'm suggesting that the developers should add an option to enable user encrypt some documents/files. This feature should be able to encrypt a users file with a password that is only known to the user
This available OI File Manager menu view
This available OI File Manager encryption feature menu view
It helps keep your files safe it protects your file from being tampered by another person
