A free program for Android, by NeoApp Studios.

Adobe Illustrator Course is a free-to-download, online course that teaches you how to use Adobe Illustrator, the world’s most popular creative app. It offers hundreds of step-by-step tutorials that walk you through the entire process of creating beautiful illustrations, graphic designs, and compelling images. The course covers both traditional and new techniques to help you master the most powerful tools and techniques available in the app.

This is the perfect course for beginners who want to design graphics for magazines, books, online advertising, and more. It provides a fast-paced, interactive learning experience, so you can master Adobe Illustrator in no time.