A free app for Android, by Drawing Easy.
How to Draw Ben Step by Step is an easy-to-use application, which contains a collection of step-by-step lessons on how to draw characters from the cartoon Ben. You can choose any character you like from the available ones, and the app will help you learn how to draw him in the easiest possible way.
In order to use the app, you need to have a piece of paper and a pen or pencil. You can also use your phone if you have a camera that you can use to take a picture of the paper.
The application consists of a series of step-by-step instructions on how to draw a given character. Each character has its own lessons, which teach you how to draw it in a different way.
The app is designed in such a way that it is very easy to use, even for beginners.