I believe it shouldn't be a problem building for then Kindle Fire, but building
for the Color Nook could be problem. Here are the frameworks for the Nook:https://nookdeveloper.barnesandnoble.com/tools-services/frameworks.html
I noticed that even Corona is not on the list, could this be because they build and sign on
their servers an B&N wont allow? About 6 months ago, Corona said that you
will be able to build for the Color Nook, but you still can't.
About 4 months ago I even got my Nook developers license, because I thought I'd
Be able to build for the Nook.