Gmail Improvements for iPhone and Android-powered Devices
Google made an improvements in Gmail for iPhone and Android powered devices, that includes the lot faster when performing actions like opening an email, navigation, or searching. Google has also added a feature that assures you access to your locally stored Gmail account despite a possible intermittent network connection or none at all.
One chief improvement touted by Google is the ability to archive or delete multiple messages at a time. Using what Google calls a "floaty bar" that follows inside the active screen you can select multiple messages for one-click archiving or deleting.
Google also made cosmetic improvements, like Labels are easier to read and are more in-line with the familiar Gmail labels which we see on our desktop. The search menu moved up into the top header to making it more accessible.
Google credits the improvements to Gmail for the iPhone and Android to new HTML5 and Gears technology that it says help it more aggressively cache data.