This app was launched in 2010 and has brought to us over 150,000 downloads so far. It was once ranked #1 in the top 10 free app in the education category from the App Store.


Given the big video database and many features on the website, how to design for small real estate and support learning on the go?

Design rationale

Focus on user essentials and strip unnecessary features in phase I.

Roles in the project

Product management, interaction design, visual design, user research.