Open the Google+ app on your phone and follow along, please.
First, we look at Stream. Just like on our computers, it shows the flow of posts. This is its icon:
Tapping on the Stream logo opens the stream. We see posts as in the following screenshot captured from my phone. Scrolling up shows more posts.
Take a closer look at the top menu bar of the Stream screen in the following screenshot.
Tapping on Google+ returns us to the main or start ...