With HTML5’s Database capabilities, they could even build offline applications that they currently run with Air. It would take a lot of work, but it’d be worth it for all parties involved.

Could you build an online game using just HTML, CSS and JavaScript? Absolutely! And this book might just help you make that happen. The starting point of Build an HTML5 Game: A Developer’s Guide ...

Building apps in HTML5 and JavaScript may be easier than using other development tools, but there's still a learning curve. In the following interview, "Programming HTML5 Applications" author ...