Get the Google ID used to download the application
account, accountmanager, android, in-app-purchase
Solution
I think the best answer can be found here: How to get the Android device's primary e-mail address This might not be exacly what you want, but without asking the user, I think this is the closest you can get.
Problem
How can i find out which google account downloaded the application? This question is related to Get the Google ID used in an in-app billing purchase Thank you!