We're not sure we understand the problem you experience. Please elaborate, does this problem occur in the simulator with Network Connection set to None or does it occur on real device that has no data connectivity? If the latter, are you testing on iOS or Android?
All .js files present in the Kendo UI template are part of the app and are available for off-line usage as well. Windows Phone 8 support is coming to Icenium at the beginning of March, so WP8 specific files are not relevant at this time.
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