Rovio Entertainment launched Angry Birds Go! yesterday, a free-to-play kart racer spinoff of the Angry Birds series. This game came out yesterday for iOS, Windows Phone 8, Blackberry 10 and for Android devices on Google Play Store. Like various other free-to-play games, Angry Birds Go! is financed by various microtransactions. If you look into its iTunes product page, you’ll find that users can spend $2.60-$65 of real-world money to buy additional items. “The game was “built from the ground up” as a free-to-play title and features upgradable karts, numerous characters, and special powers in a “fully rendered” 3D world. Gamers can play as the birds or the pigs throughout various game modes like Time Boom and Fruit Splat.” “Angry Birds G...