Do some Mobile-Friendly Test for your website with webmasters tools kit
Is your site mobile ready and has configure mobile seo as described by Matt Cutts in this video https://youtu.be/HVQHbfpqXHM.
From April 21, 2015 Google has enhanced it's search result for mobile friendly sites. This change will enhance mobile search result and display most relevant and high quality search results. As per our experience for this site's view a lot of traffic (17%-22%) coming though mobile organic search. And this figure is increasing day by day as we all know increasing usability of mobile devices.
All you need to optimize your website for mobile-friendly readiness by using this developer's test tool link: https://www.google.com/webmasters/tools/mobile-friendly/. By the way, this will not effect your sites desktop search result.
You Can read more tips on Mobile SEO here
If you are AdSense publisher then you need to optimize your site for mobile friendliness. And I recommend you to use at-least one responsive ad unit and place it either on top or bottom so it can be compatible with mobile devices and display mobile advertisement. Hence it paddles your chances of more revenue generation.