Persuasive Games reimagined their 2006 TSA-mocking "news game" Airport Security for the iPhone. From Boing Boing Offworld (where you can also comment!):
Billing itself now as "the first mobile game for business travelers," Jetset (as it's now known) uses the iPhone's location-awareness to link fliers to whichever airport they're currently in to unlock special local souvenirs (your guess as to which have to be in to unlock the 'poutine' and 'Greek coffee-cup'), which can then be sent to friends via its interconnected Facebook app."Persuasive Games' experimental Jetset"