The iPhone SB Nation app version 1.1 update will soon be available. Included in the update will be in-line replies, faster comment loading, the ability to read Fan Posts, and blog colors. The update should be in the iTunes store in the next few days. And, Android users, you aren't forgotten. Your app should be available sometime between Thanksgiving and Christmas - and will have the same functionality as the iPhone v 1.1 app.
SB Nation has developed an iPhone App! It's currently going through Apple's testing and validation process, but it should be available soon. I'll keep you updated!