Rainbird on 21 April 2009
http://blog.us.playstation.com/2009/04/21/team-up-with-psn-on-earth-day/
"And we are also pleased to reveal that one of the most environmentally friendly video games will indeed becoming to PlayStation Network North America. Trash Panic (Gomibako in Japan) will becoming to PSN this Spring… more details to come here on the blog."
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Yes! Now confirm it for an EU release too, I really want this game 
EDIT: Title should say "Gomibako"... I have failed v_v
