Nippon Ichi developing for DS.

[Kasz216]

outlawauron said:
This article say they are also quite busy with PS3 and PSP titles.

Link: http://www.rpgfan.com/news/2008/1050.html

Note also how the PS3 game too them less then a year after they figured out the PS3's hardware.  For all we know the PSP games could of been moved to the DS.