Nothing can break a good app quicker than an ugly interface. Conversely, a subpar app can be thrown into the limelight thanks to a beautiful UI. The point is: we're all slightly vain and love to look at pretty things. If you're a developer, making your app visually appealing is absolutely clutch for success; if you're just not sure where to start, however, we've got a book that should be just what the doctor ordered: Android User Interface: Turning Ideas and Sketches into Beautifully Designed Apps ($25, Amazon).
And now's your chance to get one of ten copies for free.