Professor Deborah Estrin was recently cited in a New York Times article outlining her efforts to create an Android version of Apple's ResearchKit called ResearchStack which aims to create software for the development of health tracking apps that will pool together health data from millions of people to offer new insights into diseases, treatments, and lifestyle behaviors.
The article can be found at:
http://bits.blogs.nytimes.com/2015/11/12/bringing-iphone-style-medical-research-to-the-android-world/?module=BlogPost-Title&version=Blog%20Main&contentCollection=Digital%20Health&action=Click&pgtype=Blogs®ion=Body&_r=1