Accessible Youtube - Winner of the Last Call for Google I/O 2011 contest hosted by Google. This open source Android app allows you to query for YouTube videos that have captions, view video details, and playback video results. [Java]
UC Berkeley Shuttle - Open source Android app for the UC Berkeley shuttle system that enable Android users to look up nearby stops and bus schedules. [Java]
Venture Lab Mobile Applications - Collaborate in a small team of business and technical students to develop a mobile application with a business plan. In the end, teams present their product to VCs and the best teams can proceed to get funding to start their own company after the course.