PSP Split-Screen Do-It-Yourself Board - Cool! (PSPUpdates)
Pipo Saru Present - Get The Saru Board

The
Piposaru Academia 2 official website has updated with a theme board –
“The Saru Board” (Saru = monkey). The purpose of this board is to split
the screen of the PSP when 2 players are playing a game that requires
screen splitting.
How to use:

You can get it from PSP Updates' new QuickJump Download site [here].