Canalys today published its final Q4 2010 global country-level smart phone market data, which revealed that Google’s Android has become the leading platform. Shipments of Android-based smart phones reached 32.9 million, while devices running Nokia’s Symbian platform trailed slightly at 31.0 million worldwide. But Nokia did retain its position as the leading global smart phone vendor, with a share of 28%. The fourth quarter also saw the worldwide smart phone market continue to soar, with shipments of 101.2 million units representing year-on-year growth of 89%. The final quarter took shipments for the year to fractionally below 300 million units, with an annual growth rate of 80% over 2009 (see table below).