Here’s a handy code if you would like to add a button to your app that allows users to click it and be taken directly to a search listing of ALL your apps on the iTunes App Store. (see below) This is alot handier than adding a button/link to each individual app 
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hi, thanks for sharing this, and i copy and paste this link and i figured out that the link is not complete:
This is how it work for me
http://phobos.apple.com/WebObjects/MZSearch.woa/wa/search?media=software&submit=media&term=estrategia corporativa
I really apreciate this sharing thanks again