Where the Fire and Nook suffer from unresponsiveness, slow animations and stuttering screens, the Nexus 7 screams.

CNN: Review: Nexus 7 is best Android tablet yet

We'll do advanced video for medium-sized devices with three- to five-inch screens, advanced video for larger devices like the Kindle Fire in a different way, and lower quality video for devices like the Samsung Galaxy S2 that aren't quite so capable of handling high-end video.

BBC: Answers about Android

In fact, there are plenty of phones with screens that are dangerously close in size to the growing breed of smaller tablets such as the Kindle Fire, Nexus 7 and iPad Mini.

CNN: iPhone under assault from big-screen rivals