Props for supporting so many platforms. Having made a trivial-looking app cross platform, even with a framework it's not easy. And with Godot no less, bravo!
This looks like it could be -- with simplified graphics -- the sort of thing that people would write as a type-in program for Commodore, Apple, or TI-99/4A computers.
I don't mean that as an insult. It harks back to a more idyllic computing era for me, which gets even more idyllic when I get to the part where the author has to faff about with Google Play Gaming Services.