Here's how you can download the Google+ app free for Android devices.
1. Go to the Google Play page for the free app Google+.
2. Tap the Install button.
Here's a description of Google+:
- New Feature: Google+ Communities
- Enjoy magazine style layout in the new tablet version
- Automatically share photos to an Event with Party Mode
- Video chat with up to 9 friends with mobile Hangouts
- Turn on Instant Upload to sync photos from your phone to a private Google+ album
- Check out the What’s Hot stream to see trending topics
- View the Nearby stream to see what people near your location are saying"