create a shortcut to the app on the homescreen

gistfile1.cs

using System;
using Android.App;
using Android.Content;
using Android.OS;

[assembly: UsesPermission("com.android.launcher.permission.INSTALL_SHORTCUT")]

namespace AndroidApplication6
{
    [Activity(Label = "AndroidApplication6", MainLauncher = true, Icon = "@drawable/icon")]
    public class Activity1 : Activity
    {
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            var intent = new Intent(this, typeof(Activity1));
            var installer = new Intent();
            
            installer.PutExtra("android.intent.extra.shortcut.INTENT", intent);
            installer.PutExtra("android.intent.extra.shortcut.NAME", "Start My App");
            installer.SetAction("com.android.launcher.action.INSTALL_SHORTCUT");

            SendBroadcast(installer);
        }
    }
}