I need to get the first image url from Google images, based on given keywords, and then display it using image loader on the phone. Can anyone tell me is this possible and how can I do this?
You could use Google's Custom Search API, although that will cost you money per search.
You can also do something like this:
I'm being vague because I don't know what you've tried so far, and the actual code for this would be fairly involved.
edit: A quick search shows this relevant SO question: Google image search by image in android