Custom tabs, Ghosts of Mistwood, Jewel Kingdom, more on this week’s top 20 emerging Facebook apps by MAU

Topping our list of emerging applications by monthly active users this week was Custom Tab | Arrow #3, a page tab application builder from Woobox. The rest of our list was made up mostly of games, though sports social reader GiveMeFootball and social networking app Path

We define emerging applications as those that ended with between 100,000 and 1 million MAU in the past week. This week’s top apps grew from between 120,000 and 390,000 MAU, based on AppData, our data tracking service covering traffic growth for apps on Facebook.

Top Gainers This Week