Google’s Android platform is gaining rapidly in the smartphone platform space. As per comScore which reports trends in the U.S. mobile phone industry, during October 2009 and January 2010 Google Android’s share of the smartphone subscriber base in the US rose by a whopping 4.3%.

How you go about developing software for mobile devices depends primarily on which platform you intend to develop. While there are many large players competing in the the mobile platform market, there doesn’t seem to be an obvious winner.