Rainbird on 26 February 2009
They are supporting Sony Cambridge on it I think.
"LittleBigPlanet – Developed in conjunction with MediaMolecule, the critically acclaimed game LittleBigPlanet makes its way to the PSP, offering new SackBoy™ adventures with the same play, create, share experience for gamers on-the-go, in addition to brand new levels and environments specifically created for the platform."
http://news.vgchartz.com/news.php?id=3033
