Google announced that Instant Previews feature is now available on mobile devices as well

According to The Inquirer, Google's new Instant Preview gives a preview of a full website and its content, as well as a glimpse of any mobile version that's available.

Instant Previews is available on Android (version 2.2 or higher) and iOS (4.0+). When user perform a Google search via mobile, he/she will now see a little magnifying glass next to the results. Clicking on it will open a preview pane, where user can flip through the visual search results. Tapping on a preview goes directly to the website.

The new feature only offers this preview for those links that are on the first page of search results.