Pangea Software, developers of such popular iPhone game applications as Enigmo and Cro-Mag Rally have announced that it will be providing free updates to all of its iPhone games to add native support for the new iPhone 4 960 x 640 Retina display. Most Pangea titles have already been updated for iPhone 4 and and are available as free updates for users of the previous versions, including Enigmo, Cro-Mag Rally, Bugdom 2, Nanosaur 2, Antimatter, Billy…