Goggles

There are some things that are hard to put in words, like a painting that you want to find out the artist of. For searches like that, try Google Goggles ;just open the Goggles app on your phone, snap a photo of that painting, and find search results all about it.

   
Google Goggles is a downloadable image recognition application created by Google which can currently be found on the Mobile Apps page of Google Mobile. It is used for searches based on pictures taken by handheld devices. For example, taking a picture of a famous landmark would search for information about it, or taking a picture of a product's barcode will search for information on the product
Best search queries

Google Goggles works better with certain types of queries. 
It can recognize up to three items at a time. For best results,
 try taking pictures of the following:

Books & DVDs
Landmarks
Barcodes & QR codes
Logos
Contact info
Artwork
Businesses
Products
Text
Currently, it's not so good when taking pictures of the following:

Animals
Plants
Cars
Furniture
Apparel
Optimizing your photos for Goggles

For the best results when taking pictures, hold your phone in "left landscape" mode, as shown below, and press the on-screen shutter button with your right thumb.

intro screen
Goggles availability

Google Goggles is currently available for the following devices:

Android devices running Android 2.2 and above can download Goggles from Google Play  .
 To download click me