Assignment 4 - Writing Exercise - Developing a mobile phone app On-the-Go Software, a start-up company in your community, would like to develop a new mobile phone app that will be profitable. As part of the company's preliminary planning, the CEO, Etta Hawkins, has hired you to research the most popular apps for iPhones and other mobile devices and to analyze why you believe these apps are successful. As you research, identify who is buying these apps and hypothesize why. Also identify features that have received positive comments and hypothesize why these features are important. Write a three-to five-page letter report to present the results of your research In addition include a list of references as an attachment You may include other attachments if you believe they will be helpful. Address your report to Etta Hawkins. On-the-Go Software. 1111 Main Street. Mytown, MyState, MyZip