Nintendo just announced some details for Kirby's Blowout Blast:
Release: July 4, 2017 (Japan) / July 6, 2017 (Europe, North America)
Price: JPY 750 / EUR 6.99 / USD 6.99
Platform: 3DS eShop
Developer: HAL Lab.
Like Team Kirby Clash Deluxe, Kirby's Blowout Blast was developed by HAL Lab. last year and is an expanded mini game from Kirby Planet Robobot.
The game features 25+ stages, where you can obtain bronze, silver, or gold trophies. Just as in Team Kirby Clash Deluxe, you can also unlock EX stages.
New Japanese trailer: https://www.youtube.com/watch?v=pKdB13dZgpg
Kirby Planet Robobot bonuses:
If you own Kirby Planet Robobot and have Streetpass data on your system, you will automatically receive two statues in the plaza that play new music.
amiibo bonuses:
If you own any of the seven Kirby amiibo, you can scan them in and receive statues in the plaza that play new music.
Screenshots:
A separate home menu theme is also launching:
Sources:
https://twitter.com/NintendoEurope/status/879996134726479872
https://twitter.com/NintendoAmerica/status/879866989245759489
https://www.nintendo.co.jp/hardware/amiibo/game/jhua