Android build 2020.117.2
Android build 2020.117.2 is the first publicly available build of the Surface Duo variant of Android. It is based on Android 10.x. This build includes a few extra apps compared to the regular Android Emulator like Microsoft Edge, SwiftKey Beta and Microsoft Launcher, however, most apps in this build are the generic Android ones.
In the Settings app are a few placeholder links like a settings page called Microsoft, A Surface Pen section in device settings, a settings section for wallpapers and a link in display settings for customizing the home and feed pages in the Microsoft Launcher.