14 handy hidden features in the Gmail Android app

Let's face it: Email is inherently a bit of a pain. And while Google's Gmail service is generally pretty pleasant to use, it certainly has some room for improvement — especially on the mobile front.But as is so often the case with Google products, what you see isn't entirely what you get. The Gmail Android app has some super-useful hidden touches you've probably never noticed lurking beneath its surface — easily overlooked features that can make your mobile email expe