Who woulda thunk it? Android is now the leading OS in the U.S. according to Comscore’s February 2012 stats: At 50.1% with iOS following at 30.2%.

I guess in celebration Google has renamed Android Market to Google Play! My wife owns a Samsung Galaxy and is obsessed with upgrading to the III asap, even though there’s a perfectly good iPhone 4 here (though currently packed full of game apps for our 5-year old son). Proof that fierce brand loyalty is not the exclusive domain of the Apple elite. That said, she begrudgingly accepted a used MacBook Pro a year ago and now swears allegiance to the Apple for laptops.

Comscore smartphone penetration 2012

As of March 2012, Google Play boasts over 450,000 titles in its app store, which includes music, compared to 585,000 for iTunes. It’s safe to say developers are focused on developing apps for iOS and Android. From SDKs geared at developers to DIY tools for the non-techies, support for android application development is on the rise.

If you’re a small business looking to deliver your mobile message to the growing number of ‘little green aliens’, you too can create Android apps. At minimum, the DIY tools available on the market today (and there are at least 50) offer support for iOS and Android. But do yourself a favor, when creating Android apps, make sure you’re using an all-inclusive tool like Magmito. Build once, publish everywhere.