There is a nice article about Flash Lite, posted by Denise at globeandmail : Hold the phone, Flash is coming!

Software is revolutionizing cell handsets in Asia and Europe, adding fanciful graphics and menus.  Dial a mobile phone subscriber in Japan and your call could set off a display of onscreen fireworks. When signal strength is low, clouds rolls into the picture. A missed call might cause a hot-air balloon to fly across the screen. And when the sun sets, an image of the city skyline changes from daytime to night.