Google has announced a mobile SERPs update coming in May which will mean that mobile-friendly sites are likely to get a bigger boost. Google is also quick to point out that a non-mobile friendly site that is more relevent is still likely to do well. However, this update to the mobile SERPs continues divergence from desktop, and gives developers every warning they need to makes sure their sites are mobile friendly.

https://www.webmasterworld.com/google/4804795.htm