Ghostlight's confirmed that JRPG Persona 3 Portable will launch on PSP on April 29, speaking on the PS Blog.
The enhanced remake of Persona 3 was released in Japan on November 1, 2009 and in the US on July 6, 2010.
According top the game's Wiki page, the player has the option to play as a female character, which was unavailable in the original.
"This selection alters some aspects of the story: the first Persona gained by the Protagonist, Orpheus, will have a different appearance; Igor's assistant in the Velvet Room, Elizabeth, can be replaced with a male equivalent named Theodore."
The titles battle system is revised and takes elements from Persona 4, apparently.