Hi, I've just published an article explaining briefly how to create a HTML5 Universal Apps to host 2D and 3D WebGL games for both Windows Store & Windows Phone 8.1: http://blogs.msdn.com/b/davrous/archive/2014/05/12/creating-a-html5-phone-tablet-amp-pc-game-using-the-universal-apps-project-for-windows-stores.aspx Of course, I've used babylon.js to explain how to build a WebGL games Enjoy! David