An update appeared on my Nexus 7 yesterday with a much of new features and enhancements. The most notable new feature is Collections which allows "pluses" - had to find a name for Google+ members - to group posts by topic.
The other new features are:
- GIF images now load much faster.
- Updtaed post designs.
- Performance improvements and bug fixes.
Visit Google Play store to download the update or join Google+.