But will it make my go cart fly like Super Mario's?

From Dustbury, a pointer to the latest in great gadgets, IMHO.

JSC Speed has introduced something called the TurboXS DTEC, which takes one ordinary Nintendo Game Boy Advance (not included) and turns it into an actual automotive-diagnostic device. The various modules allow you to read turbo boost, exhaust temperature, intake air temperature, and RPMs; future modules will include detonation sensors and skidpad readings in g.

If you're a gearhead, then you're probably drooling. For the rest of us, we can simply admire the elegant crossover of technologies.