Other features within the new Gmail for Android application include a new streamlined user interface with a swipe-down to refresh feature and sliding drawer with labels and account switcher to help mange multiple accounts.

Together with small images now shown alongside messages and improved readability, as well as the ability to empty trash. The latest Gmail for Android app is supported on devices running Google’s Android 4.0 operating system and higher.

This is what Google had to say :

If you’d like to try out the new inbox on your mobile device, click on the gear menu in Gmail on the desktop and select Configure inbox. The next time you use your mobile device, primary mail will be shown first and notifications will only appear for primary mail. It’s easy to access and keep track of email in other categories by opening the menu.

These updates include some other new features. On Android, you’ll get a new design with profile photos, a navigation menu, and more.  On the iPhone and iPad, you can choose to receive notifications for all messages, only important messages, or no messages at all, on a per account basis.