DroidFS is an alternative way to use encrypted overlay file-systems on Android that uses its own internal file explorer instead of mounting volumes. This allows you to store files in encrypted vaults that other apps can't decrypt.
Currently, DroidFS supports the following encrypted containers:
- gocryptfs (https://github.com/rfjakob/gocryptfs): encrypts file contents and file names but doesn't hide directory structure or file sizes.
- CryFS (https://github.com/cryfs/cryfs): slower, but encrypts