It's an awesome mobile version of HTML5 tutorial. It is a MultiView application works across Mobile Phones and Tablets (All sizes - 7' and 10'). It's view changes depending upon the size of screen. It has been developed using jQuery Mobile Framework and split view widget.
In this app, the following list of items were explained,
1. New Tags in HTML5
2. New Attributes in HTML5
3. New Events in HTML5
4. A brief introduction of New and popular feature
5. Great UI if you are using Tablet of any size
No Add, It's free. Happy Learning.