mgwt is an open source mobile widget framework build using GWT. mgwt provides a number of UI widgets, CSS styles and a PhoneGap API which make it easier to develop native-like applications using GWT.
The mgwt PropertyCross implementation is structured using the popular GWT 'Activities and Places' pattern.
To view the code and detailed build steps, see the github source.
Official Website - The official website hosts many useful resources including Javadoc documentation and video talks.
Project Wiki - The project's Github wiki.
Showcase - A showcase of apps made using mgwt. This is really useful to visit when trying to get a feel for a framework.
Official blog - The mgwt blog provides information on future releases and also shows interesting examples of mgwt applications.
Source code - The full source code for mgwt is available on Github.
mgwt Google Group - An active Google group focused on questions and issues found with mgwt.