Pokémon Rumble U is set to be released in Europe and North America next month. If you’ve enjoyed the original Pokémon Rumble, then you will definitely like this game. If you live in North America, you’ll be able to download this game from the eShop on August 29th. If you’re in Europe, then you will be able to download this game on August 15th.
Source: Serebii.net