Mobiscroll is an easy to set-up and customize scroller/spinner JavaScript control. It renders date and time pickers, select controls, and various types of lists. It is suited for use on touch devices like smartphones and tablets.
GWT Mobile WebKit is a library that exposes HTML5 and WebKit features to the GWT platform. The aim of this library is to help Java developers create Web applications specifically suited for mobile devices, using GWT as the foundation.