Android tablets are ARM-based, which means that any tablet computer based on Intel architectures cannot run Android. However, there is a side project aimed at getting Android to run on Intel's x86 architecture which has made a lot of progress and may suit your needs depending on what device you are referring to.
BlackBerry Tablet OS was created on 2011-04-19.
Well, it depends on what your needs are if you are searching for a tablet mainly for reading. The Nook has proprietary apps that are specific to that device that you might not find in a tablet with Android OS. However, you would have limited app choices, and an older Android OS built in with the Nook.
Yes, the Nabi is an Android OS-powered tablet, but configured for children.
4.2.2 (Jelly Bean)
Google Android OS and Tablet PC vs Apple Competitive are the competitive brands of tablet PC. Those two are competing in which tablet is better as well.
Android is a Linux OS
yes you can change the os (firmware)
The Dell Streak smartphone/tablet already has Android OS (version 2.2, Froyo) on board.
Yes, Openoffice was designed specifically for tablet use. It runs on the Android OS but may need an additional download of a file converter from the Android market place.
Short answer: No.Android tablets are made for a mobile OS, and sport specs insufficient to run Windows.Long answer: Yes, but it's not practical at all.You can hack a rooted Android tablet to run a VM (Virtual Machine) of older versions of Windows, but not well. And any version of Windows that does not support ARM will not run at all. So you're limited to running Windows 95 on a tablet with a capacitive touchscreen on top of another OS.
It is neither. The Blackberry Playbook is running theBlackBerry Tablet OS.
Google Play should already be pre-loaded in an Android tablet, unless the OS onboard is older than Android 2.3 OS (Gingerbread).