Appolicious - The Android platform expanded its dominance in the U.S. smartphone market during Q4 of 2011, according to the latest ComScore report. Apple may have boosted its share of the mobile handset market with the release of the iPhone 4S, but Android’s still the clear winner in terms of OS use, powering 47.3 percent of surveyed subscribers. That’s up from 44.8 percent last year, growing by slightly more percentage points than Apple’s increase to 29.6 percent from 27.4 percent.

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