Star & Planet Finder funktioniert nicht

Star & Planet Finder guides you to see stars, planets, constellations and satellites in the sky.  "Sanderson - I have dabbled with astronomy for 30 years, star maps, celestial co-ordinates, Patrick moores year book but this app renders them all obsolete.  Simply choose a planet from the list, and move your device according to the pointer display, the pointer represents the planet.  "I was thrilled when the cross hairs appeared on screen and Guided me to the planet that I had selected from the list.  It makes locating stars and planets Childs play! "I am amazed! - I love this app!  Got a telescope for Christmas and hated not know what I was looking at or where to find what I wanted to look at.  Any astronomer knows the computational power needed for these algorithms.  I highly recommend this app for anyone who is curious about the stars above.  Well worth the purchase I say". "Tech at it's best! - Awesome program.  This app made stargazing a million times better for me and my kids!  It does exactly as promised.  And that was only the free app!  And the iPhone sensors are up to the task. Unique. Buy it".