The mobile application development industry has been growing exponentially. As of March 2017, there are 5 million apps available on Google Play Store and Apple’s App Store combined. This number is further growing since the number of Smartphone users has also been increasing. In 2020, the number of users is predicted to be 2.87 billion. In addition, the revenue generated by mobile applications is expected to increase to a massive 189 billion US dollars, according to a report by Statista.