The Blimp Pilots, developer of early App Store success Koi Pond, has released its latest application for the iPhone and iPod touch, Distant Shore. The app puts users in a setting of an endless beach, on which they can walk, finding and reading messages in bottles from other users around the world. Users can also write their own messages to be put inside bottles and cast out to sea for other users to discover. Other features include 3-D graphics and…