App stores are vampiric parasites and need to be dismantled. Either that, or these companies need their phone monopolies taken away.
You can’t distribute a Switch, PS4, or Xbox One game without giving the respective companies a cut of your sale.
Windows and Mac are the only exceptions, but you won’t get far without publishing to a digital store unless you can afford to drum up a whole lot of name recognition all on your own (also costs money unless you hit the lottery like Mojang did).
Gaming companies fight to win over gamers and developers. Not so for Apple and Google with their walled fiefdoms.
If you release a game on disc. The retailer + distributer get at least a 50% cut.
There's absolutely no restriction on game development machines except that the provided tools (probably) only run on Windows.
Apple intentionally restrict developers to only use Apple hardware and software to keep the ecosystem contained.