I've tried searching for it directly, and no results come up. I tried clicking the link from the website and it takes me to the App Store, but it says "Item Not Available The item you've requested is not currently available in the U.S. store." Was this ever available to USA customers? If so, what will it take to get it listed on the App Store again?
I've played SotS on my PC, but I really want to play it on my iPad instead. I'm disappointed that it doesn't appear to be available anymore.