It just might be that flOw is coming in a downloadable game format for the PSP as soon as tomorrow. Shin-Ra found this and shared on thatgamecompany's forum:
Release date is January...and tomorrow be the last day, and also the PS Store update. Hmmm.
When asked, John from the thatgamecompany team said:
So...who knows, but this seems way too definitive to be a mistaken entry at Playstation UK. flOw PS3 has it's own entry too, so it's not a mislabel:
thatgamecompany does not comment on rumor and speculation.