 These games can be optionally played with Play Coins, though the results are more random than with Streetpass Miis.On December 6, 2011, the feature was updated to include SpotPass functionality, as well as new puzzle panels, a sequel to Find Mii, a map showing where players met other Miis, Accomplishments and a music player.Special Miis released by Nintendo and obtained through SpotPass can also be used in StreetPass Mii Plaza.