Its over a month for the iPhone 3G to hit Japan and other 21 countries. But developers in Japan have already started developing applications for the device. One of them is 'Raijin and Fujin' an application which transforms the touchscreen into a scratchpad. It plays back sound by making use of the accelerometer the sound varies according to the direction of the acceleration. Not something a professional would use but good for creating wacky music from a house party. Two versions will be available Raijin and Fujin where the only difference is the color of the scratch pad.