Stingle Photos - Stingle Photos is a secure photo/video encryption and backup application that provides strong security, privacy, encryption and safely saves your media on cloud storage keeping you safe from data breaches and leaks.

F-Stop Media Gallery - Image and video organizer.

KeepSafe - Keep your entire photo library safely stored in an encrypted private cloud.

Piktures - The first gesture-based gallery app to manage your albums of photos and videos.

Hide Secrets - Hide Secrets is an app that allows hiding everything they deem confidential on their smartphone.

Camera Roll - Simple Gallery App for Android, with lovely Material Design.