Port of the PS platformer Umi Hara Kawa Se Shun, coming this spring by Marvelous and Rocket Studio.
http://www.mmv.co.jp/special/game/psp/umihara/
http://www.dengekionline.com/data/news/ ... 06122.html
For the time being I don't really see the point of this, except if they bother to add a significant amount of extras...