Looks like the App is available from the Play Store this morning and is an Update 
Aside from some other features, the most pertinent as regards the Doorbell is addition of a Device Sharing Wizard in the Doorbell Setup Process (per the Release notes)
Is the deal end? I cannot use the code??
Still working for me…
Sweet product! Much needed!
Cant order from the Netherlands 
I can’t make this code work!
When is this coming to the UK? 
I have been tempted but we are usually home or if not we are in the living room with a big picture window…
Amazon says this is an invalid code.
Great price for a wireless doorbell 