User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-4104391-20111024211647/@comment-99.232.67.171-20111024215927

Capcom said that the reason why MH3G and MH4 are 3DS exclusive is because its become too expensive to produce for Sony consoles (ere-go the switch to the 3DS). Thus it wouldn't be logical to move to the Vita, unless both 3G and 4 do extremely well in both Japan and America.