There are a few ways to do the snapped view, which is the one of main concern since it is skinny compared to the Filled and full views. I am trying to figure out how to implement an extremely simple example of using snap and fill. Here is a list what I am reading:
You can manage simpler apps using CSS, and with your first approach to games you will like throw up a simple page with the buttons on it after you have paused the game. That way you can use normal pause processes in the game and then the end user can simply push the pause button to start again.