Step #1. Read the attached paper dealing with a Urban Versioning System (alternatively please see [url removed, login to view])
Step #2. Figure out an entertaining / infotaining Android mobile app alpha that is featuring Augmented Reality, Virtual Reality, Gamification and making use of Google Glasses, the Internet of Things and the Cloud, while doing what the above mentioned paper says, i.e. Open Source Urbanism -- a kind of bottom-up approach to urban planning.