While Android continues to get better about making its UI look gorgeous, there are still plenty of trends that have yet to be standardized in any meaningful way. Of course, part of that may be because they don't need to be. After all, Google doesn't want every app in the world to use the Google Now-style card view (though, so far, Google+, Search, and Currents are already among those that find inspiration from them). This leaves implementation up to developers, like those featured over at AndroidViews. Here are just a few samples of their work:
As you can see, it's not just the cards UI.