To the surprise of no one, Angry Birds Space has ballooned into a casual gaming phenomenon -- a feat that Rovio has somehow managed without the aid of a BlackBerry PlayBook audience. RIM announced today, however, that fans of its deeply discounted tablet can now hop on board the train to space pig payback, for the low, low price of $3, that is, unless you're saving up for that 4G version we've been hearing about
