Accelerometers are the in thing now days, with Apple's iPod Touch leading the way. The iPod Touch has also plugged itself as a gaming platform, which has to annoy Nintendo. Also, there's the Nintendo Wii, which uses both an accelerometer as well as a motion-sensing device.
That way it's no surprise that Nintendo has patented a ‘direction’ card for the Nintendo DS, according to Silicon-era. It's important to note that the patent covers the ‘DS Houi Sensor Card,’ with ‘Houi’ meaning "direction". Though it hardly specifies either an accelerometer or motion-sensing device. Either, however, promises a new generation of oddly bobbing, bouncing gamers on the go.

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