So the only thing we can do is modify the core UI apks to our liking.
Yeah I'm not worried about RRO/Layers on my watch to be honest. Curious I'm assuming the 1.4 OTA zip file that has been posted in the general area can be used as a basis for building a ROM, right? I could experiment a little myself and learn how to do a basic few things to get a basic ROM out (ie: rooted, tutorial mode removed, etc).