<a href="https://plus.google.com/106557483623231970995/posts/Bed6WUJpNi4" rel="nofollow">https://plus.google.com/106557483623231970995/posts/Bed6WUJp...</a><p>"With apple's app store you buy the apps from apple. With google play you buy the apps from the developer. If you are the merchant of record you need to know the address to correctly compute sales tax.<p>This is documented on <a href="http://support.google.com/googleplay/android-developer/bin/answer.py?hl=en&answer=138000" rel="nofollow">http://support.google.com/googleplay/android-developer/bin/a...</a>.<p>Google cannot give tax advice, so we have to give you the data to make the determination yourself"
Coming from developing iOS apps first I thought it was strange that I received these user details when they purchased my Android app. I assumed it had already been brought up though and was decided to not be an issue.
If you buy something from me, even via Google, you enter a mutual contract. And as such you have to provide sufficient information to identify yourself. Same with me. Pretty normal for any law protected contracts.
Its interesting to note that the email address wasn't always included, they used to be [random]@checkout.google.com before they made the switch to Google Wallet
ZDnet interview with the guy who found the issue: <a href="http://www.zdnet.com/google-play-privacy-slip-up-sends-app-buyers-personal-details-to-developers-7000011249/" rel="nofollow">http://www.zdnet.com/google-play-privacy-slip-up-sends-app-b...</a>