not releasing a Linux version of your game is a business decision - what else would it be? when it starts making sense financially, they'll do it. simple as that. 3% of the computer market can safely be ignored. macOS doesn't fare much better.
not releasing a Linux version of your game is a business decision - what else would it be? when it starts making sense financially, they'll do it. simple as that. 3% of the computer market can safely be ignored. macOS doesn't fare much better.
also, "Android friendly" is a thing because iOS users are known for being more willing to pay for stuff. you can easily have a successful app without ever making an Android version, so why bother?