1. First of all open http://plus.google.com
2. Login and click on the “Profile” icon
3. Look at the address bar. You should see similar URL to this https://plus.google.com/BIG_NUMBER/posts
4. BIG_NUMBER is your Google+ Id.
5. When you launch app first time you need to enter it.
This free app is ad supported and may contain ads in the notification tray.
You always could buy ad-free version.
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此版本中的新功能：Added share functionality
Plus One (Free)