Sony returns PSP games to PlayStation Store after closing security loophole - The Verge
How do I sign up for the Sony PlayStation Network on my PSP? - Ask Dave Taylor
PlayStation Store Shut Down Dates for PS3, PS Vita, and PSP Officially Announced - IGN
ComicBook.com on Twitter: "The #PlayStation Store has leaked that the PSP classic is coming to PS Plus! https://t.co/PHGKGP2CnO https://t.co/gtwJAMHPwm" / Twitter
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Sony marks PSP 3000 release with firmware update that adds direct access to PlayStation Store - CNET