Rainbow Friends Coloring Book is a free Android game developed by OurApps Studio. It offers two fun games: a coloring book and a puzzle game, both featuring the Rainbow Friends characters.

The controls are excellent and user-friendly, making it easy for players of all ages to use. The app also comes with great support from the developers to assist with any issues.

The coloring book game is the standout feature with many customization options, including different brush sizes and colors to choose from. The puzzle game is also fun, challenging players to put together different images of the Rainbow Friends characters.

Overall, Rainbow Friends Coloring Book is a great choice for those looking for a fun and easy-to-use coloring app with adorable characters.