RIM is offering Android developers free BlackBerry PlayBooks if they submit versions of their apps converted to run on the tablet to the BlackBerry AppWorld app store by 13 February. The news was announced in a tweet by RIM VP of developer relations Alec Saunders. The Inside BlackBerry developer blog added that a 16GB PlayBook will be provided to every registered BlackBerry App World vendor that ports and submits their app by the deadline.