Download Here
Unzip and install in your PSP firmware 3.x folder.
For custom firmwares 3.90, please also try PSP/GAME380 folder.

Controls:

* Digital pad: move the map.
* Analog pad: move smoothly the map.
* R button: zoom in.
* L button: zoom out.
* X button: next view.
* [] button: previous view.
* /\ button: go to address.
* O button: show/hide informations.
* Start: menu.

http://royale.zerezo.com/psp/