The major announcements at this year's Mobile World Congress have mostly revolved around Android handsets. The heavy competition is pushing companies to be more adventurous with their designs both aesthetically and functionally. A common theme this year has also been the emphasis on photography and music quality out of the handsets. Let's look at the style, imaging, and sound trends in more depth. In this post I'll talk about the handset design highlights, and in Part Two I'll look at imaging and sound.