The Following is from Wikipedia and minor edits from the LocoRoco Wiki.
LocoRoco Midnight Carnival is a new game in LocoRoco series that was released on October 29, 2009. The game is a spin-off that continues the story of LocoRoco 2 and features a new move called "Boing!".
In PlayStation Home, an apartment space has been released based on LocoRoco on November 19, 2009 in the Japanese version of Home. The apartment space is called "Loco Island" and features different LocoRocos on the island and a shop where users can purchase different LocoRoco themed virtual items. There's also a video screen advertising LocoRoco.This space was released to the Asian version on December 3, 2009.