Amazon Search Operation Documentation

http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/SearchOperations.html

App using Amazon AWS

How to host the pictures in amazon AWS
https://github.com/kwliou/SmartNature/blob/a9b8daae06102c427a429a39c415cb757488f55f/src/edu/berkeley/cs160/smartnature/ShareGarden.java

App search for Amazon items (using php) :https://github.com/whoisstan/Buy-It-Later-Hybrid-Stores-QR-Code-Generator/blob/master/lib/AmazonECS.class.php

Amazon API & in iOS

this is not a free API cos AWS set up needs to register with your credit card
http://docs.amazonwebservices.com/mobile/sdkforandroid/gsg/Welcome.html?r=4295

Writing Amazon Product Search in iOS
https://github.com/jugend/amazon-ecs