You have read all of Chapter 3 by now. There were many steps to test a development environment. You will perform these steps in this assignment. There are two major sections to Chapter 3, Testing Your Development Environment and Building Your First Android Application.
Take screenshots at various points to demonstrate that you have completed the various sections of the assignment. Your repository should be called "First-android-app-<yourLastName> and create a directory called 'screenshots'. Place all of your screenshots there and commit/push to GitHub. You can push the code you create as well, but it is not necessary.