I think you must have posted about 5 minutes after me!
Unfortunately in that time I noticed that the 0x1D wasn't working either. All the URI's append http:// if it's not already there in the tag What we really need is some expertise from the person behind nfcInteractor as he obviously does know what he's doing! Ideally we need a small utility to link an installed application (and service if possible) to a custom ext: tag in the NDEF handler.