All this adds up to quite a bit of chicken scratch for Rovio, and also quite a bit of pressure to keep the money train rolling.

ENGADGET: Angry Birds sequel 'Bad Piggies' launches tomorrow, we go hands-on

As soon as we turned the tablet into portrait mode the accelerometer adjusted the screen orientation, and when we put the Wacom stylus to the screen, our chicken scratch was immediately turned into accurate editable text.

ENGADGET: Lenovo ThinkPad X201 Tablet review