As the Mobile World Congress trade show in Barcelona, Spain, draws to a close, what exactly happened? As with most trade shows, the big news and trends only become clear in hindsight. During this year's MWC, Android smartphones generated plenty of interest. And there was plenty of news in the mobile content and applications space to chew on. Also, as usual, there was plenty of fun to be had on the show floor. For a complete look at Fierce's coverage of the MWC trade show, including our slideshows, visit our MWCLive mini site. And let us know what you think was the biggest news out of the show.