GPS treasure hunt app coming soon, student project

Hello, we are Headshots! We are a group of students from a mixture of computing courses (based in Preston) developing a GPS treasure hunting android app. We are currently adding more features every day and trying our best to create a working & enjoyable app! More information regarding the content and release date of the app will be posted by facebook and twitter.
Speaking of which, we are also graded on how effectively we market the app online/generate hype, we simple programmers are not well versed in this sorcery, so any help would be greatly greatly appreciated! A simple like or follow could be the difference between us passing or failing our courses! (slight exaggeration, but it wouldn't actually suprise us, our tutors are kind of insane)

http://www.facebook.com/HeadshotsHunt
http://twitter.com/headshotsd4

Thank you all very much!