CALIBRATION IN PROGRESS... In order to calibrate your screen, you'll need either a phone, or a credit card/driver's license (just for size reference). Once you choose your preferred way of calibration, you'll have to adjust its onscreen size in the next step.
CALIBRATION IN PROGRESS... Adjust the size of the phone/card using the Plus/Minus controls on the right, until it is displayed on the screen as big as it is in real life.
View side by side Click to see the phones next to each other
View Layered Click to see the phones on top of each other