You're going to be building Play Coins again
The Mii Plaza will be updating later today with new games and a key update.
Today's Mii Plaza update allows for quick access to the plaza games, and Mii Plaza Premium owners can store up to 100 Miis for use in the Mii games.
The five new games announced are Slot Car Rivals, Market Crashers, Feed Mii, Mii Trek and Ninja Launcher, respectively racing, stock prediction, food making, treasure hunting and demon battling games. One of Slot Car Rivals or Market Crashers can be downloaded for free, while the others can be purchased in a discounted bundle later today.