From Svenska Resenatverket:
SKY SCANNER IS THE GREATEST AUGMENTED REALITY APP IN APP STORE Point your phone to the sky and see airplane and route information of the air traffic. "Sky Scanner" uses Augmented Reality to visualize air traffic above your head. IMPORTANT! Download "Flightradar24 Free" or visit www.flightradar24.com to check coverage in your area. "Sky Scanner" covers about 90% of Europe. There is also some coverage in USA, Australia, Brazil and Middle East. "Sky Scanner" will only work with devices equipped with both camera and compass. If you are looking for a Flight Tracker that shows live air traffic on a map, search for "Flightradar24 Pro" in App Store.