The Yahoo! Mobile Developer Platform includes an easy-to-use tool kit that allows you to focus on building content and services into your mobile widget. It’s based on Blueprint, Yahoo!’s versatile XML-based programming language that allows you to build widgets that will run on hundreds of devices.
These components give you everything you need to create a mobile widget, including information on widget testing and publishing.
Download info: includes Blueprint documentation, XML schema definitions and sample widget code.
Already developed a mobile widget? Manage your widgets built, or learn more about marketing your widget.