Make the best first impression irregardless of the individual users device. A soon-to-be released Google report reveals that well over 60% of search engine traffic is now originating from mobile devices. As a result, Google will drop you like a rock if your site isn’t "Mobile Friendly" by their definition.  Here's Google's  tool to test your site (or any site) https://www.google.com/webmasters/tools/mobile-friendly/ for mobility.