A template’s documentation mentions that it is responsive. This does not mean that a template is responsive or responsive. Google has provided a mobile testing tool that ensures Google whether the site is suitable for mobile sites or not. .
More than 50% of all searches on Google are from mobile devices. Search results are limited to mobile friendly sites.
The satisfactory review of the template speed test on mobile has forced search engines to give more traffic to sites that have the ability to be responsive.