N2A Cards (R) - Transform your Nook Color into a Kit-Kat 4.4.2 Android Tablet (new 2014 version) - (8 GB)
The N2A SD card does what it claims - allows you to easily turn your Nook into a tablet running Android 2.2. It isn't the latest version of honeycomb, but (1) I am not sure how well that would run on the Nook anyway, and (2) it still adds a lot of additional functionality to your Nook.  Switching between the Android interface and the Nook interface is just a matter of rebooting. If you already have a Nook Color and want the additional functionality of a tablet (really, more like a really big cell phone, giv