DrawSomething is indeed an addictive social drawing game available for free for Apple iOS and Android Devices. I have been occupied with this game for more than a month now that I sometimes tend to neglect my blog opps, resulting to cramming just to beat the deadlines. Some samples of my drawings:
Available on the app store for iOS 4.0+ : iPhone 3GS+, iPad 1 & 2, and iPod 3+. Also available on the Android Market. Try it yourself, find friends on Facebook, Twitter, email, by username, or choose a random match.