Google Images - Google Images is a search service owned by Google that allows users to search the World Wide Web for image content.
Glixel - Glixel – Glitter and Pixel Effects-Photo Editor is an excellent combo photo app that allows you to create extra-ordinary pixel effect photo in no time.
SauceNAO - SauceNAO is a reverse image search engine.
Snap Photo Editor - Snap Photo Editor – Collage Maker & Pic Editor created and published by CVInfotech for Android and iOS devices.
VisualData - Instagram for Visual Datasets
A Color Story - The photo app to colourize your life