Nintendo has announced that services for Miitomo will end on May 9, 2018. The ability to buy coins inside the game has been disabled as a result of the announcement. Remaining coins can be used inside the game, or can be exchanged through the My Nintendo service for discounts on game downloads for 3DS or Wii U, among other items. According to Nintendo, users can receive daily login bonuses of coins and game tickets in order to continue playing Miitomo Drop and use other features in the game until the end of service.
Nintendo announces Miitomo service ending on May 9th was written by the awesome team at Android Police.