Android Version

Marked the first commercial release of Android. At this time it was not widely available but had many new features that were important and still used today. These included

• Android Market for application upates and for new Applications
• Web Browser for full XTML/HTML web browsing.
• Google Apps full set of app by Google(Mail,SMS,Maps etc.)

Android V1.1

This was a update to 1.0 that had many bug fixes and added a few features such as a Maps update. It was only available for ther T-Mobile G1.

Cupcake V1.5

Was realesed in April 2009. It had several new approvments. Among the new features were

• Widgets for embeded small apps
• Contacts improvements invluding the pictures added to ever contact
• Animations for smooth scrolling and screen changes
• Blutooth support update for audio pairing and sharing  

Donut V1.6

Was realesed in Septemeber of 2009 and had many improvements

• Voice and Text Improvements
• Touch Screen improvments
• Multi select for photos
• Camara access improvments and faster access
• Search Option for faster access

Eclair V2.0/2.0.1/2.1

Was released in Oct 2009 and had several improvments and looks remarkably simular to todays Android versions.

• Blutooth 2.1 support
• Hardware and U.I. improvments
• Calender improvements for date and not settings
• Account Sinc improvements allow user to sinc multiable account on one phone
• Multi Touch improvements to allow better multitouch support
• Screen size and contrast improvements. Include bigger screens and better contrast ratios

Frozen Yogurt (Froyo) V 2.2/2.2.1/2.2.2/2.2.3

Was released May of 2010 and improved on many features. There were many key features in this version of Android including

• Adobe Flash support for rich web content
• Speed and memory improvements
• Cloud messaging support
• USB tethering
• Multi Language support
• Bluetooth dock and car support
• WiFi hotspots support
• JIT Compilation for application speed improvements
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Gingerbread V 2.3/2.3./2.3.3./2.3.4

Was released in December of 2010 and as of the time of this writing has become the most widely used Android version. Some of the new features included

• U.I. or Interface improvements gave it a more simple but quicker interface
• Virtual Keyboard updated and improved for a better and faster layout.
• copy/paste enhancements where a user could just press and hold
• New Codec support for more audio/video formats
• Power Management enhancements
• gyroscope/barometers support
• input enhancements for game developers

Honeycomb V 3.0/3.1/3.2

Was released in Feb of 2011 and was a tablet(and later Google TV) only release. Some of its features included

• Holographic interface that was optimized for a tablet U.I.
• Improved keyboard support for larger screens
• Multi Core processor support
• Hardware acceleration for faster hardware
• view gallery in full screen interface
• System bar for better multitasking that allows you to switch from one app to another.
• Resizable homescreen widgets(3.1+)
• external keyboard/mouse support (3.1+)
• FLAC audio codec support (3.1+)
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Ice Cream Sandwich V 4.0/4.01

Was first released in Oct 2011 and was a major improvment upon both 2.x and 3.x. It blended both interfaces and had full support for both phones and tablets. Some of the notable features included

• Folder system improvements making easier to create.
• Launcher improved to be customizable
• Tabbed Browsing improved to allow up to 16 tabs
• facial recognition support to locking/unlocking phone
• photo editor built in to Android 4.x
• Android Beam support to share contacts and files
• Crome Bookmark sync support
• WiFi direct support to connect with other users without access point
• User Interface hardware acceleration for faster access.

Jellybean V 4.1

Was full release in early 2012 and improved on Android 4.0 in many ways. It took the common features of Android 4.0 and made it more fluid.some features include:

• Browser has improved performance, CPU and memory efficiency
• Full HTML 5 support to bring Android up to new web standards
• Calendar is improved and has features blend with one another
• bidirectional text means more input languages to make the platform accessible to more people around the world.
• dictionaries are now more accurate and more relevant

A update to Android 4.1 is now available. It is still counted as Jellybean but updated to new features that include:

• Photo Sphere allows you to use take 360 degree pictures among other new camara features
• Gesture Typing let's you type much faster but takes some getting used to but can make typing much faster.
• Google Now updated with new features

KitKat V 4.4

KitKat has a name. Giving the name KitKat itself is quite surprising for a number of people, long before the article has been widely circulated rumors that the successor operating system has a name Jelly Bean, Key Lime Pie.

In addition to the name of a surprise, the operating system is also still using the 4.4 series is a continuation of Jelly Bean, instead of using the 5.0 series. The use of the name itself does not violate the rules KitKat made ​​this sort of Google for the name of the operating system proposes using the alphabetical order of the name of a dessert or dessert. In the previous series is Jelly Bean with prefix letters J and many people thought that the next name is Key Lime Pie that uses the prefix letter K.Giving the name itself is surprisingly KitKat, KitKat article is a product name is not the name of a common food used Google. But the reason I use this product name is KitKat chocolate bars are a favorite Google Android Head of Engineering Hiroshi Lockheimer, said Google spokesman.What's interesting about this is not the case the exchange of money in the Android naming KitKat conducted by Google and Nestle. 

However, important elements that occur in the administration of the product name is KitKat KitKat is the product of 50 million that is in 19 countries will have the Android branding and offering buyers a chance to win the Google Play Gift Cards and Nexus 7.Until now, Google itself has not announced any features in the Android 4.4 operating system KitKat. But the Google had said "Our goal using current KitKat Android is to make the Android experience were put to all people".