This time, however, the 7.2Mbps HSDPA slider with world's first transparent glass (not plastic as originally assumed) keypad will be functional, running LG's new S-Class UI on the 3-inch display. We know that the GD900 features vibrational haptic feedback and that the transparent keypad seems to double as a touch-sensitive mouse pad (like that on your laptop) when surfing the internet or navigating the UI -- it also seems to support gestures like writing "M" to launch the MP3 music player and multi-touch such as pinch to zoom on photographs.Asia and Europe will see the LG GD900 in May.
Source: Engadget