Apps like Shazam and Zeebox can listen to songs and TV shows and identify whats playing or what youre watching, but until now the tech hasnt been used much for gaming. A companion application for Middle-earth: Shadow of Mordor could change that. The Palantir iOS app (named after the networked seeing stones from Lord of the Rings canon) uses the aforementioned audio-sync technology to deliver exclusive content and contextual info (like walkthroughs) by listening in while you play the game.