The SDK's for the XPERIA handsets' user interface with 9 panels is available on Sony Ericsson's developers' site. The developers' lot heps developers create new panels in a fast and easy way. XPERA X1 is the first Windows Mobile 6.1-based smartphone from the manufacturer, which has a really unique user interface, made up of 3 x 3 panels, features being easy and fast to access by clicking on these panels. The working method with these panels is demonstrated on the video below. Additional videos and the SDK are available at the manufacturer's site.
Translated by Szaszati