The 2012 Minifigure data is now available as an IAP for both, iOS and Android. Also, second editions of the 2011, Star Wars and 1975-2010 catalogs are now available. Have a look at http://minifigure.org for the details.
(Yes this announcement is a shameless self promotion)
(Yes, DK will come out with a cheaper book soon)
(Yes this announcement is a shameless self promotion)
(Yes, DK will come out with a cheaper book soon)