During the iPhone Software Roadmap Event on March 6, 2008, Apple showed a total of 29 applications—10 in some demonstrated form, 9 on a list of additional sample programs, and 10 on what appeared to be a mocked-up list of third-party applications. Though these applications won’t be available until late June or later, if at all, we’ve assembled a complete list of what was shown for curious readers and developers to consider. Some…