This AMP plugin is easy to use and I checked Google webmaster and 201 pages were index after two weeks. I am happy with this plugin. I purchased other plugin ampforwp and before ampforwp, I have almost 900 amp pages were index by google but after installed ampforwp and my indexed pages down to 16 pages. They claimed they are number one amp plugin but made unacceptable issue and nothing if amp pages were not index by google.
I buy this WP AMP and just install it and my amp pages back more more each day index by google.
This is a plug-n-play plugin working instantly without any problem at all.
The 1. AMP plugin I have found working without obstacles for non-programmers.
Hope future versions will get some more frontend design with logo etc.