The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
Open Search is an app that can be able to recognise the image and provide the corresponding information about the image to the user, this is the sample app. User kindly find the images in below link that are currently recognised by this app. http://www.amrithaa.com/ios/visualSearch.pdf This app able to customise if user needs this for their own use.