A free program for Android, by Doodle Joy Studio.

Coloring can be a relaxing hobby for a lot of people. With this app, you can bring the pages to life by coloring the illustrations. There are plenty of blank pictures for you to choose from and you can color them any time you want. You can even share your finished piece on your social media accounts. What’s great about having an app like this is that you don’t have to buy colored pens and pencils. There are already more than 60 paint brushes in the app that you can use to color the pages. This application is free to use and is suited for all ages.