Google Updates Gmail With Material Design and Support for IMAP and Exchange
 

Google's applications like Gmail, Camera, and Chrome are likely applications that came on your Android phone when you first purchased it. But unlike iOS where Apple has to ship an entire operating system update to update an application, Google's apps for Android can be updated right from Google Play. Google has been steadily updating their applications to take advantage of their new "Material Design" design principles that were shown off at Google I/O. With Android 5.0 Lollipop on the horizon, Google has to get the remaining applications up to date, and the latest application to recieve the new visual style is Gmail with its major update to version 5.0.

http://www.anandtech.com/show/8671/g...email-services