Is Persona PSP is remake? An enhanced port? Look at the additions and decide for yourself. The first thing I noticed was the new battle interface. It looks more like Persona 3 with the character portraits on the bottom and moon icon in the top right hand corner.
Japanese retailer Rakuten also has a list of revised features for the PSP version.
New animated movies done by studio Kamikaze Douga.
Rearranged soundtrack done by Shin Megami Tensei composer Shoji Meguro. Yumi Kawamura who sang in Persona 3 will do vocal tracks for Persona.
Supports 16:9 widescreen mode with a new user interface.
Additional dungeon floors have been added to the Sebek Chapter (main story) and Snow Queen Chapter. Watch out for new elements and tricky gimmicks.
Rebalanced gameplay with a tweaked encounter rate.
Considered to be more “user friendly” since players can pick the level of difficulty.
Battle loading times are 2/3rds faster compared to the original. During enemy encounters animations can be skipped. Sounds similar to Persona 2: Eternal Punishment.
Extra save points are added as well as a quick save feature.
A revised city map with a top down view and highlighted landmarks. The original Persona had a simple 3D over world map similar to Shin Megami Tensei: Nocturne.