The mobile web is growing up quickly, and tons of great HTML5 features are already supported on modern mobile browsers. Web developers can use the same set of technologies they know and love to build rich web applications that work across different device types.
http://jquerymobile.com/demos/1.2.0/
http://www.jqtouch.com/preview/demos/main/#home
http://www.appcelerator.com/platform/titanium-sdk