The Tizen TV UIControls is a set of helpful extensions to the Xamarin Forms framework for the Samsung TV device. The binaries are available via NuGet (package name is Tizen.TV.UIControls.Forms) with the source available here.
nuget.exe install Tizen.TV.UIControls -Version 1.0.0
<PackageReference Include="Tizen.TV.UIControls" Version="1.0.0" />
<ContentPage ... xmlns:tv="clr-namespace:Tizen.TV.UIControls.Forms;assembly=Tizen.TV.UIControls.Forms" ...>
Tizen.TV.UIControls.Forms.UIControls.Init();
global::Xamarin.Forms.Platform.Tizen.Forms.Init(app);
//set main window provider
Tizen.TV.UIControls.Forms.UIControls.MainWindowProvider = () => app.MainWindow;
https://samsung.github.io/Tizen.TV.UIControls/guides/Overview.html
https://samsung.github.io/Tizen.TV.UIControls/api/index.html