I'm not sure if you are aware but the game has been ported to those linux handhelds! (its not piracy, you still have to copy over your own yolkheroes.pck)
its such a perfect fit!
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I know! Its so delightful.
https://portmaster.games/detail.html?name=yolkheroes&devices=
More details are up here. It was added 15th of last month.
The porter is nate_____, it seems they only listed their github though:
https://portmaster.games/detail.html?name=yolkheroes&devices=