Google has announced they have revamped the Google Mobile App by totally redesigning the interfaces and renaming it to the Google Search App.

You can download it for free in iTunes.

What changed?

The Name: Formerly Google Mobile App, Now Google Search App
Swipe actions to navigate through the app or search results
New toolbar to filter search results
Faster to go back to the last search result you conducted
Plus more improvements to Google Goggles, Voice Search, Search with My Location, Gmail unread counts and more

Here is a video:

Here are pictures:

Forum discussion at Google Blogoscoped Forums.