One concrete example is Visual Studio App Center[1], which allows companies to distribute internal and beta apps to employees and invited testers. On Android, I

One concrete example is Visual Studio App Center[1], which allows companies to distribute internal and beta apps to employees and invited testers. On Android, I can install the App Center app and then browse and install them exactly as I do with Google Play. [1]: https://appcenter.ms/ https://appcenter.ms/