All in one

Wanmen University

Beijing China

Wanmen University (万门大学) is a MOOC platform for 100,000+ learners in China to watch video contents and take quizzes. The full-stack solution includes an iOS app, an Android app and a website. 

Key features:

Video streaming and offline storage
Quiz and rewards sub-system

Key technologies involved: 

Objective C(iOS), Java(Android), 
Ruby on Rails(Backend),