urho3d.UrhoSharp/ProjectTemplates/VsSolutionTemplate/UrhoSharp.iOS/AppDelegate.cs

using Foundation;
using UIKit;
using Urho;
using Urho.iOS;
using System.Threading.Tasks;

namespace $safeprojectname$
{
    // The UIApplicationDelegate for the application. This class is responsible for launching the
    // User Interface of the application, as well as listening (and optionally responding) to application events from iOS.
    [Register("AppDelegate")]
    public class AppDelegate : UIApplicationDelegate
    {
        public override bool FinishedLaunching(UIApplication application, NSDictionary launchOptions)
        {
            LaunchGame();
            return true;
        }

        async void LaunchGame()
        {
            await Task.Yield();
            new MyGame(new ApplicationOptions("MyData")).Run();
            //Also, there is an UIView - UrhoSurface
        }
    }
}