The criticism of Tapulous' focus on one app is ignoring the economics of the app store (<a href="http://communities-dominate.blogs.com/brands/2010/06/full-analysis-of-iphone-economics-its-bad-news-and-then-it-gets-worse.html" rel="nofollow">http://communities-dominate.blogs.com/brands/2010/06/full-an...</a>). There are tons and tons of amazing, high-quality apps, and yet how many of them ever break into massive profitability?<p>If you have an app store hit, it would be foolish to try to diversify given the near impossibility of any single app attaining real success.
Wild guess: $15 million for a small company milking an one-hit wonder. With security and resources the dev team can finally move on and make something cool: Club Penguin for iOS!