the author of this app says:
Starvatar allows the user to experience the top tweeting celebrities in a totally new way. See a professionally drawn caricature of each person within a common backdrop. Listen and see each tweet along with viewing linked images. When a celebrity tweets, his or her head will grow and speak the tweet in addition to displaying the tweet in text. Linked images show up as thumbnails the caricature seems to hold while tweeting. When the celebrities are not tweeting, they will continue to entertain the user with hilarious movements and actions such as jumping, nodding off, rolling their eyes and more.
Current celebrities include Conan O'Brien, Lady Gaga, Snoop Dogg, Paris Hilton, Stephen Colbert, Justin Bieber, Shaquille O'Neal, Britney Spears, Katy Perry, Ellen Degeneres, Kim Kardashian, Chad Ochocinco, Jim Carrey, Ashton Kutcher, Jon Stewart, and President Barack Obama.
Starvatar is extremely customizable and interactive, putting the user in complete control thru direct interaction. Tap on the backdrop to change it. Tap on one of the celebrity caricatures to change it's size or drag it around the screen to place it in a new position. Share tweets via Twitter, Facebook, email, or save them to show to friends later.