Google announced on the Google Analytics blog that they now upgraded their AdWords integration to show Mobile Apps campaigns in Google Analytics.
If you link your AdWords and Google Analytics accounts and enable auto-tagging, the added reports will show a new set of detailed reports on things like day parts, destination URLs and keyword positions.
Google said, "these automatic reports show exactly how your search and display campaigns are performing and offer rich insights into the kind of users they’re driving to Google Play."
Forum discussion at Google+.