Kirby's Blowout Blast - official Japanese site, more footage, screens, art, and gameplay details

Official Japanese site here

- by inhaling enemies, Kirby gets bigger, and the more enemies he inhales at once, the bigger he gets
- you spit the enemies back as stars, which damages enemies and blocks on the way
- the more enemies you’ve inhaled, the stronger your attack
- blocks can also be inhaled for attack
- goal is to reach the end of the level with the highest score possible
- to do this, you need to chain combos, which is done by defeating as many enemies as possible in a single shot
- the more enemies you inhale at once, the bigger your projectile star gets
- no less than 5 different worlds
- boss battles, including King Dedede
- if you tap a compatible amiibo, you can display a statue of that character in-game, and even change the music
- game can be pre-purchased and pre-loaded in Japan
- 810 Yen
- 748 blocks / 93.5MB of free space
- save data file size: 128KB

from GoNintendo