This is an app to test the sensor capabilities of the phone.
Open the app to send your location to a server (anonymously... ish) Find people within a certain range, or city.
Show the direction on a compass, then the force required to actually launch the object. Collect points for greater accuracy.
Include wind speed and direction (possibly get from weather api?)
Select person to throw to by selecting on map
Possible high score table? Week, Day and all time rankings?