Research Reveals What It Takes To Rank In Mobile Search Results

While most marketers and business owners now understand the importance of having a mobile-friendly site, many aren’t aware of the differences between desktop and mobile search ranking factors.
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New report (registration required) released by Searchmetrics

Inbound links appear to be declining in importance. Mobile pages had about half as many links as desktop pages, and the report authors believe the importance of links is on the decline. This is likely due to the fact that mobile content is more often shared socially than through direct links.
http://searchengineland.com/report-take-rank-mobile-search-results-233280
http://www.searchmetrics.com/knowledge-base/mobile-ranking-factors/