Remo Duplicate File Remover - Remo Duplicate File Remover is a simple yet powerful duplicate file remover app that lets you easily search and remove duplicate files on your Android mobile and tablet.
Gemini Photos - Clean up your Camera Roll
Android Cleaner - Android Cleaner – Phone Booster and Memory Optimizer is a powerful and effective app to optimize your device’s performance.
PickStackr - Organize and manage your camera roll
Files by Google - A file management app that helps you free up space, find files faster, share files offline, and back up files to the cloud.
Flic - Flic is a wireless Bluetooth-enabled button that acts as a shortcut to many actions on your wireless phone or other connected device.