I think the Iphone is better the Google Pixels. That's just my opinion but some people like google pixels better.
Yes it's important. It's like taking jotting down the ideas you have for a project, you don't want to forget anything, and these things help you keep track of what you want to do.
Answer would be false.
For the list of application, either check in the book or come up with yourself.
All application not depend on the 32 bit or 64 bit processor.
