This gist was made with the help of Nicholas Johnson to enable the ContentPage tutorial from Xamarin.com to work https://developer.xamarin.com/api/type/Xamarin.Forms.ContentPage/

AppContentPage.cs

//ContentPage Tutorial
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Xamarin.Forms;

namespace App6

{
    public class App : Application
    {
        public App()
        {
            MainPage = GetMainPage();
        }
        public static Page GetMainPage()
        {
            return new ContentPage
            {
                Content = new Label
                {
                    Text = "First Way!",
                    VerticalOptions = LayoutOptions.CenterAndExpand,
                    HorizontalOptions = LayoutOptions.CenterAndExpand,
                },
            };
            //Anonymous or Inline

            //var mypage = new ContentPage()
            //{
            //    Content = new Label
            //    {
            //        Text = "Second Way!",
            //        VerticalOptions = LayoutOptions.CenterAndExpand,
            //        HorizontalOptions = LayoutOptions.CenterAndExpand,
            //    }
            //};
            //return mypage;
            //We can't modify it afterwards if we wanted.

            //var mypage = new ContentPage();
            //mypage.Content = new Label
            //{
            //    Text = "Third Way!",
            //    VerticalOptions = LayoutOptions.CenterAndExpand,
            //    HorizontalOptions = LayoutOptions.CenterAndExpand,
            //};
            //return mypage;
            ////We will still have access to it and the data is modifiable, preferrably for buttons
        }
    }
}