These are Android games from the Play Store, so even if Google shuts down this Windows support, they likely won’t provide refunds because users will still have access to the games on Android devices. They offered refunds for Stadia purchases because the purchased games could not be played anywhere after they shut it down.

I don’t really mind the uncertainty of Google for this product. I play mobile games only casually, so if they evaporate one day, so what?

It might bother a serious mobile gamer, however.