Hold the phone up and look through it: the satellites over you are drawn where they are in the sky. Turn, tilt and roll it in any direction. Tap a satellite to follow it.
Uses the compass and motion sensors. Keep away from metal and magnets; if directions look off, wave the phone in a figure 8.
For the full experience, open this page on your phone: hold it up and the satellites are drawn where they are in the sky, following the compass, tilt and roll, over the camera picture if you like.
Scan with the phone's camera, or open