How to enable Gmail 4.2 swipe and zoom features | Android Central.
Just because you don't yet have the latest and greatest Android 4.2, doesn't mean you can't have some of the newest Android features on your phone. The newest version of GMail brings Swipe to Delete and Pinch to Zoom to GMail. However, you have to get into the GMail Settings to activate these cool new ways to navigate around on your device. Check this article to find out how.