I made an installation script for the Itch.io AppImage on Lutris. It adds the environment variable solution being discussed and works on my system (x86_64 EndeavorOS).
tuhmnus
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A member registered Oct 06, 2023
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I would expect it to work just fine. It hits the minimum specs, and Raspberry PI 4s especially have a processor that is more than enough for something like this.
Edit: I'm not sure about the compatibility with an ARM processor, though. It would depend on whether the app image was built with libraries for ARM included.
Another Edit: I just got the game and had some troubles running the app image on an x86_64 system. Doing it with Lutris helps. There's been some discussion about it in other threads, but it looks like a library needs to be preloaded (/usr/lib/libgmodule-2.0.so). This can be done without Lutris in the CLI, but Lutris allows it to be added to the install.