sentences:  Despite no news for most of 2006, Kazunori Yamauchi assured audiences that "Gran Turismo" for the PSP was still in development and on its way.Development was slowed to focus priorities on "Gran Turismo 4" on the PlayStation 2 and "Gran Turismo 5" on the PlayStation 3.Polyphony president Kazunori Yamauchi wanted the game to be a "fully specced" title, not merely "a subset to the series".