Angry Birds Go is yet another popular title from Rovio, but it drifts away from other titles in the Angry Birds franchise. It's a free-to-play racing title where you get to test your driving skills against other birds and piggies._If you happen to be regular user of the addictive Angry Birds Go, there's an update waiting for you in the Windows Phone Store. The latest update bumps the version to 1.4 and brings some interesting features on board.