The popularity of mobile application development has grown beyond our imagination. Its popularity and adoption are offering us apps for all the mobile devices. With hundreds of thousands of applications, these smart phones and tablets appear to capture PCs market in coming future. Businesses have now begun to discover this fact and thus are associating themselves with mobile application development firms to get their mobile ideas implemented. The rising adoption of mobile devices and applications is generating a question: do you also need a mobile application development for the internal or external procedures of your business systems. So answer for this straight question is- yes you do also need a mobile application development if you want to take the advantages of today's online world. Individual users are nowadays using more smartphones and tablet PCs for their general purpose commuting requirements such emailing, surfing web, browsing web services, shopping and purchasing goods. In spite of owning desktop PCs, they nowadays prefer to use their smartphones and tablet PCs. About two third of users of smartphone devices say that they cannot survive without these devices. A considerable large group of people use smart devices for checking weather and accessing important information. A one-third of users spend their time on these devices to access social sites several times in a day. In Christmas 2012, more 17 million smartphones and tablet activations were recorded. This figure sets that more and more people are going mobile specially when there is a festival. They use these handheld computers for a variety of purposes. Yes market still refers smartphones and tablet devices as third or fourth screen but the time is very near when these devices will be the only screen. Even now, millions of users around the world use their phones and tabs as the first screen. The value of this information can also be understood that about half of the users from countries like Norway, Sweden, Australia, UK, UAE and Saudi Arabia are nowadays using smartphones and tablet PCs. About 40 percent phone users from the countries like, Switzerland, Ireland, Denmark, New Zealand, Netherlands, and U.S. own smartphones. About 80 percent users from the USA do not leave home without their smart devices. With time the figure will increase and naturally generate more opportunities for app development. So the data and other figures referred in this article show that people around the world are using smartphones for a variety of purpose. A mobile application can be designed, developed and deployed with such features that we could not even think about previously.