There are loads of auto-oriented applications for Apple's iPhone and iPod touch, like racing games, GPS apps, and programs that help improve fuel economy. Mercedes-Benz has a couple of offerings, too, including its "Quartets" game and the updated version called "Silver Arrow". They're essentially trumps-style apps wherein players guess how the vehicle on their top "card" is better the one on their opponent's unseen "card". It ain't our cup of tea, and it could use some copy written by a native English speaker, but for Mercedes enthusiasts, it could be just the thing to pass the time while waiting in the DMV line. [ZerCustoms]
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