Product: http://www.testalways.com/2010/07/05/find-bugs-and-patterns/
Mission:
Detect every meaningful or remarkable pattern you can find in this application in the allotted time, using any methods or tools available to you. If you see something that looks like a bug, report that, too. Be prepared to explain the evidence for the patterns and bugs that you think you see during the discussion part of the session.
References: