Hi, you need to just upload the source code in a zip folder or github link. However it is recommended to use exe files, or even better, web versions to have maximum convenience for others to play or rate your game. In case you are not aware of web version, you can use pygbag.
You are welcome! I am not sure about the internals of pygbag but IIRC it uses a mix of webassembly and apk config under the hood. You can find more information and help directly on the pygame community discord: https://discord.gg/s6Hhrh77aq
