After reviewing a number of Windows 8 books discussing DirectX  app building has lead me to a proposal: To make it easier for students and hobbyists to build Windows 8 games, how about a standardized approach. 

First, the basic game model would be the (again for Windows 8 or Windows 8.1 apps):

In the documentation component “Set up the game project”, they recommend that you use the Simple3DGame sample project, I agree, don’t try to start from scratch till you are use to way a Windows 8 app functions.

Now the basic standard, which should be attractive to the XNA folks, note that these methods are called by the app singleton in this order: