Oreinteering-like game for the Iphone

Wouldn't it be cool if you could have some way to automatically generate an orienteering training course and then create a map for you?Seeknspell is an Iphone game that is a bit like that. The game generates a set of control locations on an aerial photo. Each control has a letter code and the idea is to run around and collect letters that you can then use to spell words. The GPS in the phone