How to Enable Internal App Sharing for Android, Play Store ver. 22.x
This is an instructional video on how to set up Android's "Internal App Sharing" for test users. The setup procedure varies depending on the version of the Play Store app. This video is intended for Play Store app version 22.x series.
Any app developer can show this video to their test users, explaining the steps involved in installing an app via a link sent from the app developer to the test user.