The project (often found on GitHub by yoshisuga ) is updated to support modern iOS features, including 64-bit binaries, Metal graphics, and MFi controllers, allowing for a great experience on modern iOS devices and Apple TV.
An IPA file allows you to install the app using tools like AltStore, SideStore, or Sideloadly. This method does not void your warranty but requires a free Apple ID. Mame4ios Ipa