Calling the official Google Plus app to show the Google+ page of your customers would be great. That's one feature I already worked with and now I'm ready to show you the working code I used.
Here's how I did it:
Step 1: Go to the Google+ Page and copy the page ID. In my case, it is: 101266899643014043497
https://plus.google.com/101266899643014043497/posts
Step 2: Add the following
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