Google+ APK code reveals Events, Games, and themes may be on the way
Google Maps as well.First, there were reports that Google Calendar had snippets of code referring to coming G+ integration, and now it has been found that there is an "Events" feature that is all ready for launch hidden in the Google+ app code. It's unclear exactly how the Events feature will work, but it does seem to have Google Calendar integration (not surprising), and have options to see a history of events, upcoming events, and create new events. There may be tie-ins to the new Local feature found in G+ and
Additionally, there are small bits of code that point to possible theme support coming to Google+ mobile, and maybe even better is support for Google+ games in the mobile app. Right now, Games is nothing more than an item listing in the code, so that may not be coming any time soon.
source: Android Police