Google rolled out updates for its Gmail Offline app for Chrome and its mobile web apps for Android, iOS, BlackBerry and Kindle Fire devices.

The updates bring a revamped user interface (UI) to the platforms listed above, but Google left Windows Phone out of the loop. Considering that Google and Microsoft locked heads a few times recently, however, the move to exile Windows Phone is not all that surprising.

"Since launching the rebooted Gmail app for iPhone and iPad in December (https://goo.gl/2m7pd), we've heard from many of you that you like the redesigned UII, along with new features such as improved search and integration with Google Calendar," Google explains in a Google+ post announcing the update:

"Today we're rolling out a similar refreshed look to the Gmail mobile web app as well as Gmail Offline (https://goo.gl/0f1ae) that includes many of these same changes. Try it out at gmail.com in the browser of your Android, iOS, BlackBerry or Kindle Fire device."

The Internet giant did not provide a detailed change-log for the update, but it does note, as quoted above, the revamp includes the popular changes that first arrived on the Gmail native app for iPhone and iPad a few months ago.

That update from December 2012 brought profile pictures in messages, some new animations such as swivels, transitions, as well as infinite scrolling in the message list. That same update also added the ability to sign-in to multiple user accounts, +1 and comment on Google+ posts directly from the app and to RSVP to Google Calendar events.

With the new update, the app now features those profile pictures and infinite scrolling additions, as well as auto-complete when searching for an email and the ability to sign into multiple accounts.

Another change worth mentioning is a complete visual revamp, complete with changes to color, spacing, avatars and layout. With avatars, if a person does not have a Google profile picture, the avatar will display a first initial.

As previously mentioned, the new features will refresh the Gmail experience in browsers accessed within Android, iOS, BlackBerry or Kindle Fire devices. The update also applies to Google Offline, the Chrome service that enables users to access certain Google applications even without an Internet connection.