adobe flash based tablet?

anybody ever come up with idea like, a tablet that run only adobe flash ?

or for making such device , what could be minimu开发者_开发技巧m system software and hardware requirement ?

AND , is licences of flash/adobe allows it in first place ?

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I know that BlackBerry's Playbook is doing something very similar, but not sure to what degree. From Wikipedia:

Among the features demonstrated was its tight integration with and support for Adobe AIR applications and full Flash support