Drawy - Learn to draw, use camera to score your drawings

Cotrio - The most beautiful way to move your brain and imagination

ChalkMotion - Create animated doodle slideshows

Pivot Animator - Pivot Stickfigure Animator is a unique software, that allows you to create stick figure animations...

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Sketch This - Daily drawing challenges