04 Testing your app in the development phase - myflashlab/GameServices-ANE GitHub Wiki

You certainly can't develop your game without testing how things work in real world scenarios, right? Your Google Play Console is providing you with a set of tools so you can add testers to your game. That means although your game is not released, all the testers will be able to play your game with no problem. To learn how to add test users to your game, read this page. Everything you need to know is well described there.