Dears, kindly. I need answer to these question. please type it not handwritten: 1- Discuss how mobile applications are changing businessprocesses? 2- What is the official IDE for Android app development and listsome important features of that IDE that enhance your productivitywhen building Android apps? 3- Describe the package explorer in Android app developmentIDE. 4- Creating a functional custom complex list in Android includesaccomplishing three steps: create data source methods, createcustom list item layout, and create custom Adapter. a) Explain why creating the customAdapter is required instead of using the default ArrayAdapter. b) State the required changes neededto test the custom adapter that holds “Student” objects. PS: suppose the following: activity name is “StudentsListActivity” custom adapter name is “StudentAdapter” The data source method used to return the Studentobjects is called: ds.getStudents(); . . .