Jak & Daxter Lost Frontier PS3 Unofficial Announcement

Does this image mean Jak & Daxter Lost Frontier is coming to the PS3, well on the official Sony Press Site Sony, have the game listed as PS3. This could be a mistake by Sony or it could be the unofficial announcement. If this turns out to be turn who is developing the game as Naughty Dog are hard at work on Uncharted 2: Among Thieves and how will it differ from the PS2 & PSP version due this year.