Japanese DS title, Hoshizora Navi (Star Sky Navigator) charts the night sky, helping you identify stars and planets and other heavenly beings. It contains a special cartridge with a sensor, that let's the game know where, in the night sky, you are aiming the DS.

Japanese DS title, Hoshizora Navi (Star Sky Navigator) charts the night sky, helping you identify stars and planets and other heavenly beings. It contains a special cartridge with a sensor, that let's the game know where, in the night sky, you are aiming the DS.