A system and method for a virtual tutorial system are disclosed. In one embodiment, the system includes a processor, a memory adapted to communicate with the processor, a display adapted to communicate with the processor, and a virtual electronic device shown on the display by the processor to emulate...http://www.google.com.tw/patents/US20020073025?utm_source=gb-gplus-share專利 US20020073025 - Virtual experience of a mobile device
