Choosing the Right Android Tablet
As mentioned earlier, the first version of Android that Google intended for tablet use is version 3.0, code-named Honeycomb. Honeycomb is designed around larger screen sizes and allows apps to do things like offer expandable menus. As an incentive for tablet makers to adopt Honeycomb, Google restricted access to the Android Market to phones only. (The UK version of the Galaxy Tab can make phone calls, which is likely how Samsung got around the restriction.) Google also later made exceptions for the Samsung Galaxy Player, which is a phone-sized media player, and the HTC Flyer, which is also known in the US as the EVO View 4G.
That doesn't mean there aren't a few tablets out there that run on previous versions ...
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