I would, however I'm a proud owner of a Pixel 6. That's a peculiar issue tho. I'll probably buy the game later.
Question, why is it not compatible with the Pixel 7a specifically?
That's the first level, it isn't meant to be too hard. You're literally talking about the tutorial. I usually speed through it every time I start a new game.
Wait til you get deeper into it, the difficulty can spike pretty high