Add surface-duo ms.prod

Author: conceptdev

UserInterface/DualScreenDemos/README.md

@@ -6,13 +6,14 @@ languages:
 - csharp
 products:
 - xamarin
+- surface-duo
 extensions:
     tags:
     - ui
 urlFragment: userinterface-dualscreendemos
 ---
 # Dual-Screen
 
-This sample demonstrates how to use the Xamarin.Forms `TwoPaneView` and `DualScreenInfo` classes so that you can develop apps for the Surface Duo and Surface Neo.
+This sample demonstrates how to use the Xamarin.Forms `TwoPaneView` and `DualScreenInfo` classes so that you can develop apps for the Surface Duo.
 
 For more information about this sample, see [Xamarin.Forms dual-screen](https://docs.microsoft.com/xamarin/xamarin-forms/app-fundamentals/dual-screen/).