That is indeed what I thought and then realized that Japanese PSN wouldn't have US releases as you previously mentioned. Silly me.Foxi4 was thinking more of using USA releases on the UMD program.
It would obviously work on a US Vita though - you'd just be locked into the Japanese PSN account.
Nintendo Virtual Console on the Wii.stop trying to hide the issue
people pay already for those games
'nough said.
Annnnnd it's stuff like this that makes me not feel guilty about hacking my systems.