The last project to examine is the UWP app. The file structure of the project appears as in the following screenshot:
It has an App.xaml file, which is similar to the one in the .NET Standard library but specific to the UWP app. It also has a related file called App.xaml.cs. This contains a method called OnLaunched(...), which is the entry point for a UWP app. This file is quite large, so we won't print it here, but do open it up and see whether you can locate the Xamarin.Forms initialization code in it.