Portable wireless terminal

A portable wireless terminal capable of wireless communication with another portable wireless terminal, comprising:

• a GPS receiver which obtains position information of the portable wireless terminal from a GPS satellite;
• a display which displays an image;
• a storage device which stores an image database in which common coordinates are defined in each of the portable wireless terminals without relying on the resolution of the display;
• a control unit which creates display screen information on the basis of the position information and the image database;
• and
• a wireless communication unit which transmits the display screen information to another portable wireless terminal,
• wherein the wireless communication unit receives the display screen information transmitted from another portable wireless terminal,
• wherein the control unit synthesizes the received display screen information with the image database stored in the storage device, to create a display image, and displays the synthesized display image on the display.