Hopefully this Google's Design Guidelines can help you: http://googlesystem.blogspot.com/2008/03/googles-design-guidelines.html http://googlesystem.blogspot.com

Hopefully this Google's Design Guidelines can help you: http://googlesystem.blogspot.com/2008/03/googles-design-guidelines.html http://googlesystem.blogspot.com/2008/03/googles-design-guid...