PSP: Unoffical gpsp multiplayer plans!
http://takka.tfact.jp/blog/
Heres the google translation (check the above link for current screen shots):
Implementation of the situation of the communication function, comments, so there are few reports of the current situation.
Now,
* Search menu PSP connected to the other (up to two)
* Send and receive data in WLAN
Have ended up here, and we
* GBA cable for multi-mode communications using the two communications functions
To implement.
Next year, some two games of the communications capabilities available to them and what to publish.