The PlayStation Portable (abbreviated PSP) is a handheld game console manufactured and marketed by Sony Computer Entertainment. Development of the console was first announced during E3 2003, and it was unveiled on May 11, 2004 at a Sony press conference before E3 2004. The system was released in Japan... 

The PlayStation 3 (commonly abbreviated PS3) is the third home video game console produced by Sony Computer Entertainment, and the successor to the PlayStation 2 as part of the PlayStation series. The PlayStation 3 competes with Microsoft’s Xbox 360 and Nintendo’s Wii as part of the seventh... 

Abbreviated as PS2, the PlayStation 2 is a sixth-generation video game console manufactured by Sony, the successor to the PlayStation, and the predecessor to the PlayStation 3 as part of the PlayStation series of video game consoles. PlayStation 2 development announced in March 1999 and it was released...