H.264 files are not supported by the Kona TV app.
That App is based around Quicktime and not Core Media so only "Native QT" files will playout of the Kona TV app.
You can drop those files into an FCPX or PPro Timeline and hit then get realtime playback.
gary adcock
Studio37
Post and Production Workflow Consultant
Production and Post Stereographer
Chicago, IL
http://blogs.creativecow.net/24640
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