There is no doubt that Person 5 is arguably one of the most RPG titles that the world has seen on the PS4. The question on whether or not the should be ported for the PlayStation Vita really depends on who you ask. While some might be inclined to agree that Persona 4 should be ported for the PlayStation Vita there are others who feel that it’s pointless.
Having Persona exclusively for both PlayStation 4 and the PlayStation 3 makes the game slightly more valuable and desirable to have since it can only be played on home consoles. With the declining popularity of the PlayStation Vita having a hot RPG title like Persona 5 probably would not make to much sense.