I have just released PSP-Maps version 2.0, which introduces GPS support.
http://royale.zerezo.com/psp/psp-maps-hybrid.jpg
Here is the changelog:
- added basic PSP-290 GPS support
- removed the spash screen
- cheat for sky/moon/mars has been moved to the menu
- protect .dat files from accidental overwrites
This version is available on my website: http://royale.zerezo.com/psp/
Or as usual in attachment to this thread.