There will be sixteen games available on the Nintendo 3DS when it goes on sale on March 27, but its best games may be the ones built right into the machine. And video doesn't show the half of it.
It's these silly little experiences that you'll be making your friends watch—and that they'll be making their friends watch. They're the sort of thing, and some quirky finishing touches, that really makes the Nintendo 3DS seem from the future. This isn't the first time Augmented Reality has been on a portable system—there are several options for the iPhone—but the 3DS implementation is far and away the best yet.