The mobile app for Gmail was updated today.

This is the version of Gmail that only requires a mobile browser. No platform specific app is required.

According to the announcement, The layout has been sharpened with a focus on the icons. New also is a ‘Drag Down to Refresh’ feature that seems to be a popular trend with mobile related products.

You can now pull down to refresh your message list and conversation on all iOS and Playbook devices. To refresh, simply touch the message list, drag downwards and release.

For those of you using Gmail for mobile on an iPhone 4 Retina display, the icons and graphics are now at a higher resolution, making Gmail for mobile sharper.

Source: The Official Gmail Blog