Nintendo held the Miitopia Direct even in Japan today and announced the release of a new 3DS game the Miitopia! The new title release on December 8, 2016 in Japan for 4700 Yen + tax.
The game going to be a brand new adventure game with long story but if you are interested in more, you can watch the first official, 3D trailer of the game in the Japan eShop. The normal online video will be published later in this month until now if you have access to the Japan eShop watch the video! More information coming soon! Stay tuned!