I now own one of the rarest UMD Videos, and I can personally confirm that despite only being released in Europe, it is not region locked. : r/PSP
Amazon.com: PSP UMD Case : Video Games
Sony Announces The UMD Passport Program for PS Vita in Japan
Sony Details How to Get Your PSP UMDs on Your PS Vita
Sony Announces PSP-Vita UMD Passport Program For Japan - Push Square
The PSP UMD drive attachment for the PS Vita that would've been a cool accessory to have. : r/PSP
PlayStation Vita's UMD Passport Detailed, Transfer your PSP UMD Games for a Price - Just Push Start
Japanese PSP-to-Vita transfer program has limited support from major game publishers | VentureBeat
No UMD Transfer for the Vita - The Escapist
You can now Transfer Your PSP UMD games to Vita and It'll Cost You
How to use your UMD save games on your PS vita - YouTube
/psp-psv01-58071b975f9b5805c21bc723.jpg "PSP and PS Vita Side by Side")
PSP and PS Vita Side by Side
UMD Passport program lets you play PSP games on Vita for a fee - Neoseeker
:format(jpeg)/cdn.vox-cdn.com/assets/785850/sony-psp-umd.jpg "PS Vita will use UMD Passport app to provide discounted downloads of UMD games you own - The Verge")
PS Vita will use UMD Passport app to provide discounted downloads of UMD games you own - The Verge
:format(jpeg)/cdn.vox-cdn.com/imported_assets/845327/ps-vita-hands-on-550-rm-timn1.jpg "PlayStation Vita UMD Passport not supported by Capcom, Konami, others - The Verge")
PlayStation Vita UMD Passport not supported by Capcom, Konami, others - The Verge
PlayStation Vita UMD Passport Launches Without Support From Capcom - Siliconera
How To Install PSP ISO and CSO Game Files on the Vita
Which is better PSP or PS Vita? - Quora
How can I play a UMD video ISO in Adrenaline 7 of PSV? | GBAtemp.net - The Independent Video Game Community
The Logitech PSP Go UMD add-on that never made it to production :( : r/PSP
Sony Explains Why There's No UMD Passport Outside Of Japan
