This program, called an emulator, is capable of not just re-creating Nintendo games, but re-producing them with a sweet 3D effect. It's named "N3S" — an homage to the "NES," Nintendo's first major game console.
That may not sound important, but it makes a huge difference in how these games look in mid-air. The 3D effect lets you walk around what looks to be a fixed 3D image floating in mid-air!