And they are "The Battle of Wolf and Crabs: Wolf Part" along with "Legend of Shureid".

Source:
• Dengeki

Related Links:
• Official Site
• Monster Hunter Portable 2nd, Sells Over 1 Million Copies
• Monster Hunter Portable 2nd, Large Crowds and Event Quest for Download on Launch Day
• Monster Hunter Portable 2nd, More Launch Goodies and Tournament to Go
• Monster Hunter Portable 2nd, New Monster and Shortened Loading Times
• Monster Hunter Portable 2nd, Activating Skills, Expanding your Farm and the Hunting Grounds
• Monster Hunter Portable 2nd, Armour Upgrade System Revealed
• Monster Hunter Portable 2nd, A New Base and More Monster Hunting Fun
• Monster Hunter Portable 2nd, More Monsters Revealed!