Write a research paper of 3-4 pages (cover and references pages not included in page count) that details the design and layout characteristics of Android phone applications.
Specifically describe the design process for an Android phone application.
Include a discussion of the role of Extensible Markup Language (XML) in the design process and how XML is used in the Android application files.
Discuss the best practices and also the problems and solutions regarding design, layout, performance, compatibility, and security.
Explain the difference between a light and a heavy layout and how they both relate to overall performance.