When a closed test stalls, most of us debug it from Play Console. Tester count, release status, the Testers tab. If the number sits below what you expected, it's easy to assume people just didn't bother. Often they did bother. They got stuck on a screen you never see as the developer, usually because of the wrong Google account or a step nobody told them about. So this post is the tester's side of Google Play closed testing: what your Android app testers actually see, the four screens they...