BlazBlue Continuum Shift 2 now has a U.S. release date for may 31st currently only for the 3DS. However It is safe to assume the psp will be the same.
Since this post is so short enjoy the picture on top.
Update: Here is the japan case for CSII thanks to xHCx Itachi
Update 2: PSP and 3DS confirmed May 31st
Speculation about the nintendo power article suggests that our case will be a bit more censored...