Write a short-answer response to the following question:
Pick a simple app, preferably free of charge, in an app store (for example, GoogleTM Play). Take 1 to 3 snapshots of the user interface and talk about how you would implement the interface and the interaction.
Write a short-answer response to the following question:
Using the same app that you picked earlier (or another app), write some code to illustrate at least one activity. Describe the challenges that you may have encountered while writing that code.