Google confirmed to expand their mobile-friendliness as a ranking signal. This change is said to affect all google searches around the world and will have significant impact in search results.
All DJ-Extensions are responsive ready and if you're using responsive template your site will have better chance to get higher ranking in Google.
If you're Joomla-Monster's template user you should read "Google changes mobile friendly rules. Is your Joomla website mobile optimized?" article on their blog to learn more about how to set EF4, EF3 and EF2 frameworks to meet new Google requirements.