If this was an old Android game it would only be a matter of downloading the APK I guess?
I only have an iPad from the 7th generation in its latest OS version, MacBook Pro with Big Sur and an Android phone.
I resort in piracy for this kind of needs (or emulation), since this is an old game and Jailbreak is pretty much dead am I out of luck this time?
This depends u maybe able to sideload the ipa if the game is 64bit. If its 32bit u need a device on ios 10 or lower
With something like the Alstore?