A/B testing, a concept popularized within marketing departments as a way of rationalizing decisions around advertising, is quickly making its way into the world of mobile apps. Amazon and others offer insight into the process.

FierceDeveloper contributor Jason Ankeny spoke to PicsArt co-founder and CTO Arto Mehrabyan about the app's success on Android, its expansion to iOS and the importance of giving the people what they want.

Facebook's decision to "go native" for its iOS and Android apps may have made international headlines, but it doesn't seem to have had much influence on the attitudes of other developers around the use of HTML5, according to a recent survey.

Rovio's Angry Birds are everywhere, in almost every form factor you could imagine, and there is no doubt in my mind that somewhere along the line someone is buying a piece of Angry Birds merchandise without having a clue that it has anything to do with a mobile app. That's when you know you've got a brand with legs.

FierceDeveloper tracked down five enterprising women who are making a difference in mobile app development--from working on enterprises apps as a member of a Chicago-based development team to heading up a firm devoted to augmented reality, these women are tackling the mobile development world first-hand and hoping that their efforts will help prompt others to follow their lead.