Furyu released today in Japan the official, TV anime based Shounen Ashibe: Go! Go! Goma-chan Nintendo 3DS theme and the mini-game for Nintendo 3DS.
You can buy the theme from the Japan Nintendo eShop for 200 Yen (with tax) while you can get the game for 540 Yen (with tax).
The game comes with several mini-puzzle games where you have to collect items or you have to reach the highest scores. This game is available only in Japanese and only from the Japan eShop.