Gemini Photos - Clean up your Camera Roll
Photo Remix - Create movie posters and album covers from your photos.
PickStackr - Organize and manage your camera roll
PhotoCopyThis - PhotoCopyThis is a simple yet powerful application that allows you to copy and share text from an image within a few clicks.
Flic - Flic is a wireless Bluetooth-enabled button that acts as a shortcut to many actions on your wireless phone or other connected device.
Phonto - Text on Photos