This task involves writing a design guidelines cheat sheet similar to this:

http://visual.ly/ios-android-design-guidelines-cheat-sheet

As our design is not yet set in stone, you get to propose a consistent simple design along with your cheat sheet design.

• http://www.google-melange.com/gci/task/view/google/gci2013/5844328496758784 <-- check this one out from last year, make yours as/more awesome!
• http://visual.ly/ios-android-design-guidelines-cheat-sheet
• http://www.google.com/design/spec/material-design/introduction.html
• https://www.haiku-os.org/development/icon-guidelines
• https://developer.apple.com/design/