I came across quite a bit of uncertainty and some speculation around the announcement. Not here on the forum, which is kinda expected as people here are more familiar with the project, but I still wanna say it here as it’s the official venue:
As calmh said above, this is just the discontinuation of the official syncthing android app, that was more or less dormant for a long time already. It doesn’t mean syncthing on android is gone, you can still use syncthing on android and anyone else can keep publishing such an app there. It looks like it’s going to become harder, as android goes more and more into an ios-like direction, but even there lately a new open source syncthing app was created. So there’s good reason to hope the same will be the case for android for a long time still - at least I personally very much hope so, as I am a user 