Samsung has produced some of the most popular Android-powered smartphones in recent years, and its flagship Galaxy S III has been one of the most successful devices of the past 12 months. But just how successful are they? Well, Samsung announced on Monday that it has now sold more than 100 million smartphones from its Galaxy S series, with more than 40 million Galaxy S III units shipped in just seven months.

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As a substitute to Android 4.0, Samsung has today rolled out a new software update called “Value Pack” to the original Galaxy S in Korea. The update takes features from Android 4.0 and crams them into the company’s existing Honeycomb build. The full list of features the Value Pack includes:

Owners of the HSPA+ version of the Galaxy Nexus, GSM Nexus S, and Xoom Wi-Fi should be noticing Android 4.0.4 hitting their devices sometime this evening. The update, which just began rolling out earlier this afternoon, brings stability improvements, better camera performance, smoother screen rotation, improved phone number recognition, and more. Google announced the update on their Google Plus page, earlier this afternoon.

The 4.2-inch Wi-Fi handset is adequate

BARCELONA, MOBILE WORLD CONGRESS 2012 — Samsung continues to chip away at the iPod Touch market with a newer, bigger version of its Wi-Fi-only Galaxy S Wi-Fi 4.2. It’s a Gingerbread device, running on a 1GHz processor, and — surprisingly — it has a 4.2-inch screen. Obviously Samsung saw lucrative a gap in the market between the 4-inch and 4.5-inch sizes.

The question many people were asking before Apple unveiled its fifth-generation iPhone earlier this month was “Can it compete with the Samsung Galaxy S II?” However, the Galaxy S II might not be the new iPhone 4S’ biggest worry, because it looks like a third is on the way.