https://www.theverge.com/news/717440/google-epic-open-play-store-emergency-stay
So basically Google lost against Epic, and they now have to allow third-party app stores (like Epic Games Store) to be on Play Store. This eliminates one of the reasons that the official itch.io Android client is not developed.
More context: https://itch.io/t/495651/how-would-you-feel-about-an-unofficial-android-itchio-client