Tablet devices are larger than a smartphone and usually do not have phone capabilities, though some can use a data network over 3G or 4G.
Tablet Devices
For a full list of tablet devices that run Android see the comparison of tablet devices on wikipedia.
Android Version
There are special Android versions that are explicitly designed for tablets. These include 3.0, 3.1 and 3.2 (codenamed 'Honeycomb'), Although there are also tablet devices that run on Android 2.X, however most now run Android ICS or Jellybean.
