Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.
Brillar - Bring glitters, stars and sparkles to your videos and photos.
Dreamscope - Make and share 'deep dream' images using dozens of supplied styles or your own.
Snap Photo Editor - Snap Photo Editor – Collage Maker & Pic Editor created and published by CVInfotech for Android and iOS devices.
Photomosh - Turn anything into a vaporwave
A Color Story - The photo app to colourize your life