They could have just made a crappy app, and sold based on a gimmick and an existing fan base, but they actually went and created a really great app with lots of

They could have just made a crappy app, and sold based on a gimmick and an existing fan base, but they actually went and created a really great app with lots of extra features. After having so much fun with this application, I'm left wondering why there aren't more karaoke apps for iPhone.