Introduced: April 30, 2009
Key features in this version of Android: Integration of home screen widgets, support for folders on home screen, stereo Bluetooth support, copy/paste in web browser, video recording and playback.
Notable devices of the day: HTC Hero, T-Mobile G1, T-Mobile Cliq, Samsung Moment, LG Eve, Motorola Backflip
CupCake
Android 1.6 Donut
Introduced: September 15, 2009
Key features in this version of Android: Quick search box, updated interface for camera, camcorder, and gallery, updated Google Play (Android Market), battery usage indicator, text-to-speech engine,
Notable devices of the day: LG Optimus, Motorola Devour, Samsung Behold II, Samsung Galaxy, Sony Ericsson Xperia X10, Garminfone
Introduced: October 26, 2009
Key features in this version of Android: Google Maps Navigator (beta), updated browser, support for multiple accounts, improved keyboard, SMS search, Exchange support
Notable devices of the day: Motorola Droid, Motorola Charm, Motorola Flipout, Samsung Galaxy S, Acer Liquid E, HTC Desire
Key features in this version of Android: Support for Adobe Flash, portable hotspots, multiple keyboard languages, speed and performance improvements, enhanced Microsoft Exchange support
Notable devices of the day: Nexus One, HTC EVO, Droid Incredible, Droid X, Samsung Droid Charge, Sidekick 4G
Froyo
Android 2.3 – 2.3.7 Gingerbread
Introduced: December 6, 2010
Key features in this version of Android: UI refinements, NFC support, native support for SIP VOIP, faster/more intuitive text input, enhanced copy and paste
Notable devices of the day: Nexus S, HTC Sensation, HTC EVO 3D, Motorola Droid Razr, Samsung Galaxy S II, Sony Xperia Play
GingerBread
Android 3.0 – 3.2 Honeycomb
Introduced: February 22, 2011
Key features in this version of Android: Revamped (holographic) UI designed specifically for tablets, action bar, improved multi-tasking, updated standard Android apps, better copy/paste, redesigned keyboard
Notable devices of the day: Motorola Xoom, Eee Pad Transformer, Samsung Galaxy Tab
HoneyComb
Android 4.0 Ice Cream Sandwich
Introduced: October 19, 2011
Key features in this version of Android: improved multi-tasking, face unlock, resizeable widgets, Android beam, enhanced email options, improved text and voice input, soft buttons can replace hard keys
Notable devices of the day: Galaxy Nexus, HTC One X, LG Optimus G, Samsung Galaxy Note 10.1, Motorola Droid Razr M, Sony Xperia T
IceCreamSandwich
Android 4.1 – 4.3 Jelly Bean
Introduced: July 9, 2012
Key features in this version of Android: larger, rich, and actionable notifications, Google Now, offline voice dictation, streamlined UI, performance improvements “Project Butter”, smart widget placement, multi-user profiles for tablets (4.2), lock screen widgets (4.2), daydream (4.2), OpenGL ES 3.0 (4.3), Bluetooth Smart Ready (4.3), restricted user profiles for tablets (4.3)
Notable devices of the day: Samsung Galaxy S3, Samsung Galaxy S4, Samsung Galaxy Note 3, Motorola Moto X, LG G2, Sony Xperia Z, HTC One, Motorola Droid Razr Ultra
JellyBean
Android 4.4 KitKat
Introduced: TBD
Key features in this version of Android: TBD
KitKat



















