Has this been mentioned? I didn't get the memo but we have been working on it anyway.
1. More mobile-friendly websites in search results
Starting April 21, we will be expanding our use of mobile-friendliness as a ranking signal. This change will affect mobile searches in all languages worldwide and will have a significant impact in our search results. Consequently, users will find it easier to get relevant, high quality search results that are optimized for their devices.
http://googlewebmastercentral.blogspot.com.au/2015/02/finding-more-mobile-friendly-search.html
1. More mobile-friendly websites in search results
Starting April 21, we will be expanding our use of mobile-friendliness as a ranking signal. This change will affect mobile searches in all languages worldwide and will have a significant impact in our search results. Consequently, users will find it easier to get relevant, high quality search results that are optimized for their devices.
http://googlewebmastercentral.blogspot.com.au/2015/02/finding-more-mobile-friendly-search.html