is there a way to query the play store for the version of an app without the need for user-credentials. I am aware of this unofficial API:

http://code.google.com/p/android-market-api/

but I don't want to rely on user credentials - I can visit the google play sites in incognito mode via chrome also - so it must be possible somehow. But I found no way and I don't want to fallback on scraping ;-)

android google-play
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