Love this game!
Playing on PinePhone Pro (I use Arch, btw) with Backbone One.
Using RetroAchievements with hardcode mode enabled (i.e. no save states). It's sad that it's impossible to share profile.
The last part of the level before the last boss is harder the the boss itself. Spent more lives at this part than in the entire game :)
I would say that it's good for very experienced users. Software is immature, the experience is far from an Android phone. Also specs not quite good (because no one buy will buy an expensive GNU/Linux phone). But I think it's the most powerful phone (if we talking about Pro version) that can run mainline kernel and have all hardware working. Also see !linuxphones@lemmy.ml