First-order effects

• Android users buying in-app content in Angry Birds can now pay through their carrier bill instead of Android Market's checkout, making Rovio the first marquee Android developer to route around the store's payment layer.
• Carriers gain a new role in the Android economy: billing intermediary for high-volume consumer apps, starting with the most-downloaded game on the platform.

Second-order effects

• Google faces pressure to fix Android Market's payment experience quickly, or watch other large Android developers follow Rovio's example and negotiate their own billing deals, eroding the store's cut and its control of the transaction.
• Carrier billing becomes a bargaining chip for operators seeking relevance in the app economy — if Rovio's conversion rates beat checkout-based purchasing, expect carriers to pitch similar arrangements across the developer ecosystem.

Third-order effects

• If carrier billing proves out at scale, Android app monetization fragments into a contest between store-owned payments, carrier rails, and third-party processors — a structural split iOS never developed, since Apple keeps every purchase inside its own pipeline.
• Rovio's willingness to bypass the store signals how top-grossing free-to-play games, whose revenue depends entirely on in-app conversion, will treat payment friction as a first-order design problem rather than accepting whatever the platform provides.