HistoryAndroid Inc. was founded in October 2003 by Andy Rubin, Rich Miner, Nick Sears, & Chris White in Palo Alto, California. It was originally meant to be an advanced operating system for digital cameras but it was instead developed into a smartphone operating system to compete with Symbian and Windows Mobile.Android Inc. was acquired by Google on Aug. 2005 for around $50 million.The first android device is the HTC Dream. It was released on October 22, 2008. It had a sliding keyboard, 3.2 inch HVGA screen, a 3.2 megapixel camera, and 256 MB of RAM.//add android pre commercial realeses hereAndroid VersionsAndroid 1.0Android 1.1Android 1.5 CupcakeAndroid 1.6 DonutAndroid 2.0 - 2.1 EclairAndroid 2.2 FroyoAndroid 2.3 - 2.3.6 GingerbreadAndroid 3.0 - 3.2.6 HoneycombAndroid 4.0 - 4.0.4 Ice Cream SandwichAndroid 4.1 - 4.3 Jelly BeanAndroid 4.4 - 4.4.4 KitKateclairFaster Camera start-up and image captureMuch faster acquisition of GPS location (powered by SUPL AGPS)On-screen soft keyboardDirectly upload videos to YouTube and PicassaAndroid 1.5 Cupcake 15/09/2009

Quick Search Box and Voice SearchIntegrated camera, camcorder, and gallery, toggle between still and video capture modesBattery usage indicatorCDMA SupportMultilingual text-to-speech function

Android 1.6 Donut 15/09/2009

Multiple accounts for email and contact synchronizationMicrosoft Exchange Support for syncing of e-mail.Bluetooth 2.1 supportNew browser UI and support for HTML 5New calendar featuresAndroid 2.0-2.1 clair 10/26/2009

New tips widget for homescreen.Improved Exchange support.Hotspot support.Multiple keyboard languagesAdobe Flash 10.1Android 2.2 Froyo/Frozen Yogurt5/20/2010

UI refinements for simplicity and speed.New keyboard for faster text inputOne-touch word selection and copy/paste.Near Field CommunicationInternet CallingAndroid 2.3-2.3.6 Gingerbread 12/6/2010

Specifically optimized for tablets and devices with larger screen sizes.Refined multitasking, rich notifications, home screen customization, widgets.Bluetooth tetheringBuilt-in support for Media/Picture Transfer ProtocolAndroid 3.0-3.2.6 Honeycomb 2/22/11

New typeface called RobotoNew Face Unlock featureAndroid Beam-A secure NFC-powered content sharing platformRe-arrangeable folders, Favorites Tray, ScreenshotsSwipe to dismiss notifications, tasks, and browser tabsWi-Fi Direct and Bluetooth HDP supportAndroid 4.0-4.0.4 ICS/Ice Cream Sandwich 10/19/2011

Faster, Smoother, More ResponsiveResizable App WidgetsGoogle now, offline voice dictationImproved Android BeamBetter, Faster app updatesAndroid 4.1-4.3 Jellybean 7/9/2012

NFC host card emulationBluetooth MAP supportNew framework for UI transitionsWireless printing supportOptimized memory and touchscreen for faster multitaskingAndroid 4.4-4.4.4 Kitkat 10/31/2013

Latest Features of Android 4.4Minor bug fixesImmersive modeOptimized performance for older phones.Wireless printing capability Upgraded User InterfaceAudio enhancementStorage Access Framework, an API allowing apps to retrieve files in a consistent manner. As part of the framework, a new system file picker allows users to access files from various sourcesSettings application now makes it possible to select default text messaging and home (launcher) applicationDisabled access to battery statistics by third-party applicationsWebViews now based on Chromium engineNew experimental runtime virtual machine, ARTFuture Releases1. Redesigned Status BarEven though the changes do not account to much, they certainly do make their presence felt.The battery meter looks a little bit differentThe signal meter, now, has individual rectangles instead of triangles which we are used to

Future ReleasesA screenshot teased by Google pretty much confirms that Android 4.5/5.0 Lollipop is going to feature a new type of design layout known as the Quantum paper design.

Future Releases

Samsung Galaxy S5Sony Xperia Z2Popular Devices Flagship Phones

LG G3HTC One (M8)Popular Devices Flagship Phones

Samsung Galaxy Tab Pro (8.4 in)LG GPad 8.3Popular Devices Tablets