Google+ released a fully redesigned android mobile app couple of days ago with some brand new features.
Now within 2 days one more update 184.108.40.206454518 with couple of new features is released today.
- Upload videos right from your mobile phone to google+
- Support for hashtags in mobile
- Upload up to 250 photos per post
The update is immediate available on google play store. You could download and install the app or update right from play store app on your mobile.