Capcom has announced that Resident Evil Revelations 2 will comprise of four episodes that will begin to release periodically starting on February 17th. Following the release of all four episodes on PC and other gaming consoles, the PS Vita will receive all four episodes in one lump sum. The last episode of the series is reported to release on March 10th, it will not take very long after that final release for the PS Vita to receive the series.
Resident Evil Revelations 2 will presumably cost $24.99 for all episodes on the PS Vita. Keep an eye out for the game on the PS Vita in the coming months.