Could you please try to put something in the download filename that relates to the title? It's hard to remember later that cristianhelle is the WP7-HTML5 video...
You can grab the PowerPoint Presentation and Code Samples from http://dl.dropbox.com/u/18352048/Presentations/Windows%20Phone%20and%20HTML5/Windows%20Phone%20and%20HTML5.rar
Is it me or do all HTML5 apps violate the App certification requirement 2.10 Your application and metadata must have distinct, substantial and legitimate content and purpose. Your application must provide functionality other than launching a webpage.