Gmail for Android %u2013 A Complete Walkthrough | Android Central. When I am out and about, with a phone or a tablet, my most used application is GMail for Android. Most of us live our lives on Email these days, and do much of our business over the Email universe. All of my pleadings and motions from opposing counsel come via Email, and it is comforting to know that I am not missing anything when away from the office. However, Google is improving the most common app all the time, and recent swipe to delete and pinch to zoom improvements make it even easier to use. This article will certainly contain a feature or trick you weren't aware of.