This Yet Another Tic Tac Toe Application is an example of a possible implementation of the Hexagonal Architecture on Android.
##TDD The domain as well as the other ports have been fully developed in a TDD manner. To know more why I am interested in this discipline, check out my article on : TDD, My hopes
##Want another example? If you want a different example of how I implemented the Hexagonal architecture combined with TDD, you can check out the blog-engine that powers my blog: