i need correct and clear answers for the following 5 questions :

Q1.

Explain the ways that we can follow to save data on iOS, use diagram to support your answer.

Q2.

Write an Android app which will sense the room temperature.

Q3.

Write the Cell identity Gsm and Carrier Configuration Manager Class code.

Q4.

Discuss the functionality of the following files in iOS application:

a) AppDelegate.h and AppDelegate.m

b) Main.storyboard

c) ViewController.h and ViewController.m

Q5.

What kind of app do you want to make? Who is the target audience? How will you monetize it? Why would somebody want your app? How difficult would it be to make?