Mobile Application Development: Functionality at Its Peak An upswing in the usages of mobile devices by people across the globe has been observed, and still the number is increasing in leaps and bounds. As a result manufacturers of mobile phones and communication devices have worked tirelessly, to advance technical as well as functional features and flexibility of their products and services. With over two hundred million smart phones, tablets, and different mobile devices already sold worldwide, this evolution introduces significant changes that mandate carefully vetting prior to initiating a Mobile Application Development. The evolution of Mobile Phones into smart phones to offer both, telecommunication services and internet application services, has bought a sea of change in the world of information technology. With features and functionalities of Desktop available in mobile phones, populous across the globe is more inclined in obtaining mobiles. With growing demand of the functionalities, Mobile Apps Developers are under immense pressure to prove their skills. With surge of demand of applications catering in accordance of the individual needs and requirements, endurance of Mobile Apps Development platform is adjudged with its ability to hold a number of quality applications and a wide spectrum of applications ranging from the business apps to apps used for killing time. Mobile Application Development platform is also adjudged by its scalability, with the concept of platform growing exponentially with the growth in the number of users. But the success and failure of any Mobile Apps Development lies collectively in the hands of Mobile Apps Developer consumer and application vendor. Developer playing an important role in success of the application is of utmost importance as his assessment, observation, experience and the understanding of the basics counts a lot. The most profound architectural change with the introduction of Mobile Apps Development is evolutional from “connected” applications to “converged” applications where voice messaging, location services data services and video all contribute to deliver a simple awesome experience, assisting their users to fulfill their professional requirements even from the far flung locations. Giving an opportunity, users , taking help of Mobile Apps Developer in customizing their devices accordingly, can mange rack of schedules as organize events, send and receive email and text messages, take share and store images, play games, stream audio and video, read books and publications and store and collaborate on content and data. Developers being the key to success, the utility Mobile Application Development trends to make smart phones and their related platforms to have a better clinch on the consumer market. With abilities and capabilities of enthusiastic, entrepreneurs, independent software vendors, developers that offer faster, time to market and better utility applications will be the winner of the race.