What psp version is required for dragon ball z shin budokai another road

you need the newest version you can buy it at gamestop for $169.99 cuz i have that game got it 3 years ago so hoped i help you welcome , master_555-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------the -------------is the real answers hahahahahahahahahahahahahahhahahahahahahahahaha SUCKER SUCKER SUCKER SUCKER SUCKER