Valv - encrypted gallery vault

Valv is an encrypted gallery, storing your sensitive photos, GIFs and videos securely on your device.
Choose a password or PIN-code and protect your gallery. Valv encrypts your files using the fast ChaCha20 stream cipher.

Features:
- Supports images, GIFs and videos
- Organise your secure gallery with folders
- Easily decrypt and export your photos back to your gallery
- The app requires no permissions
- Encrypted files are stored on-disk allowing for easy backups and transfers between devices
- Supports multiple vaults by the use of different passwords

Source code: https://github.com/Arctosoft/Valv-Android