Google Webmaster Tools is now Google Search Console.
This is a MUST for SEO on any website.
Search Console provides actionable reports, tools, and learning resources designed to get your content on Google Search. You can use Search Console both for websites and for mobile applications; if you have a mobile application, read this page instead.
A. add your website to search console.
B. Add your Mobile Application to Search Console
C. Are AMP Pages for those business that do NOT have a Mobile Application?
D. Google Now Cards or AMP? Is one for local is one for content that replaces a mobile application on a mobile device? With the large majority of users being on a mobile device, that is the "new priority", what is best for your business?