How do you use your phone? Do you text, browse the web, find cool apps to play with, or just use it to talk on the phone? Kim Yeo-hee, better known as applegirl002 on YouTube, has used hers to get a record deal. Just three months ago she started posting videos of her singing on YouTube. Sounds like thousands of other people, except she has something that makes her quite unique; she uses her iPhone to create the music.