One of the great feature on Sony PSP is the GPS add-on. This GPS add-on now can be used Worldwide (before just for Japan). This PSP can show the location in 2D/3D format, direction guide and city guide that can be downloaded.

Sony PSP GPS

This Sony PSP has easy search feature and customizable settings. GPS in Sony PSP is the easiest way to explore new area or new city, said Sony.

If you interested to buy this stuff, you can ask your local electronic / game store, or you can search and buy it at some online store.