There’s been a huge shift from desktop to mobile views for web pages. And mobile views have really been overtaking desktop views across the board. Think about it all of the time you spend on your smartphone surfing the web - it’s imperative a mobile user can easily access and navigate your page.
What is extremely important to Google rankings right now is cell phone conversion because so many people are using their smartphones for their searches - Google wants to make sure that if they direct their users to a mobile site, that it functions properly. Test your mobile site and be sure that it keeps its aesthetic and content without being too overbearing on the small screen.