Would also love an answer to this.
I also have a follow up question — if unlisted apps are suitable for beta testing, what is the best option:
1. Launch 2 separate apps — one unlisted (purely for beta testing), and one publicly listed app (when ready for launch). Or,
2. Launch 1 app only — with an initial status of unlisted, then update its status to listed once ready for launch.
My concern with option #2 is that this may affect launch exposure. I.e. will the app still appear under "new and noteworthy", and will it still be able to get featured?