Mobile development is a fiercely competitive club. There are different platforms to consider, different business models to test, problems with gaining visibility and a slew of other challenges. Last year, FierceDeveloper issued its first list of rising stars in mobile development. Since then, a lot has happened to our winners. Back in December, Google acquired personalized recommendation tool Cleversense and integrated its staff into its local services team. In February, Apple acquired Chomp and integrated into app recommendation service into Genius in iOS 6. Both of these companies saw the same potential we did and snapped them up. This year we're highlighting a new set of trailblazers in the mobile development circuit. Which of these challengers is the one to watch? FierceDeveloper takes a look at some of the rising stars who just might join the ranks of the other mobile powerhouses. Special report
