The text reads "A classic game that's played all over the world will be reborn in a surprising collaboration". It's partially obscured by a bloom-heavy silhouette of... a four-legged armoured Moomin? A Pokemon that I don't recognise? Who knows.
Game Freak has made HarmoKnight and 2005's Drill Dozer as well as all the main-series Pokemon games, and also made the charmingly bizarre Game Boy Camera software for Nintendo's Game Boy Color. Surely this must be Pokemon-related, but perhaps not. What do you think?
I wonder what it could be? O.o