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gical step-by-step general research design process:

Define research objectives - very specifically questions that need to be answered;
Do preliminary research - the process of collecting information that will help to define objectives more clearly;
Design the formal research - defining the data-collection instruments, deciding on how the target group will be sampled and choosing the means of contact;
Do fieldwork - collecting the data;
Analyze the data- analyzing, interpreting and reporting the results (Wolf, 1986).
The research process best considered as a systematic, linear series of steps that should be followed from the start of any research, from the initial identification of the problem to the generation and testing the hypotheses (Hussey & Hussey, 1997). The process includes preliminary data gathering and problem definition, followed by a determination of a theoretical framework.

The next important question in each study is how to collect the information or data. The most commonly used methods of collecting information (quantitative data) are the use of documentary sources, interviews and self-administered questionnaires (Yigzaw & Degu, 2006). The choice of methods of data collection is based on:

The accuracy of information that will be yielded;
Practical considerations, such as, the need for personnel, time, equipment and other facilities, in relation to what is available.
Each method has advantages and disadvantages. It depends on study's aim. Consider the methods mentioned above.

The documentary sources can provide ready-made information relatively easily and the best means of studying past events. But it can have problems with reliability and validity. It means that the information was collected by a number of different persons who may have used different definitions or methods of obtaining data (Yigzaw & Degu, 2006). So interviews and questionnaires have its advantages and disadvantages as well. The success of interview depends on interviewer skills in majority cases. A good interviewer can stimulate and maintain the respondents interest or if anxiety is aroused, the interviewer can allay it. Moreover, in questionnaires the respondent can just not to answer some questions or answer not fairly.

According to a study by MobiLens (2010), the number of mobile application user in US grew by 28% between April 2009 and April 2010. Within last few year, smartphone and mobile application uses growth rate is so high. So the Mobile and mobile application also has a great positive impact on Business. There are different areas of business where the mobile applications play an important role.

There are mainly two types of Business model (store): one is Native or on deck and another is Third party or off deck. In one of research 'Global Mobile Application Market' (2010- 2015), published that in 2009 about 6.4 billion mobile applications have been downloaded from native and third-party application store. In that some are free, some are paid and some are ad-supported. In that yeas the total revenues came around $4.5 billion with 2.5 billion download. Now the Google, Nokia and other company entering in application market space with news software which are increase the usability of smartphone and mobile application. According to their research estimates (2010), the global mobile applications mark