Home » PSP » Jikkyou Powerful Pro Yakyuu 2012 Ketteiban (J) PSP ISO CSO Jikkyou Powerful Pro Yakyuu 2012 Ketteiban (J) PSP ISO CSO Posted by XenoGantz Posted on 8:16 AM. For Jikkyou Powerful Pro Yakyuu Portable 2 on the PSP, GameFAQs has game information and a community message board for game discussion. Jikkyou Powerful Pro Yakyuu Portable 2 is a Sports game, developed and published by Konami, which was released in Japan in 2007. Jikkyou Powerful Pro Yakyuu 2012 Ketteiban. Pro Yakyuu Spirits 2013.