I also share responsive AMP social sharing buttons for Blogger AMP HTML. Responsive AMP social sharing button is quite complete ie the share button for Facebook, Google+, Twitter, Pinterest, LinkedIn, Tumblr, Whatsapp, SMS, and Email, Adding BBM and Whatsapp Here Tutorial.
If you want to try installing it yourself, please follow the steps below.

Responsive AMP Social Sharing Button | WMI - https://3.bp.blogspot.com/-PfigKHqV7j0/WaRrYLCXHVI/AAAAAAAAACY/o3ygO6g556I05TKO6xT2Xahym5NTp-ArQCLcBGAs/s320/images%2B%252810%2529.jpg
Please save the js amp-social-share code above </ head>

Then add this Css into your Template.

Then Search this code:
<b:includable id=‘shareButtons’ var=‘post’>


then save this code below </b:includable>

Then please save the code below where you want to display the share button.
<b:if cond=‘data:blog.pageType == &quot;item&quot;’>
<b:include data=‘post’ name=‘share-tool’/>

So article about how to create responsive social sharing button on the amp / Responsive Amp Social Sharing Button, hopefully this article useful