Android 4.3 Jelly bean 
Android 4.3 is now out and available on the last nexus phones and tablets.
Introduced now the restricted profiles limit access to apps and content (we had a preview of it on the samsung galaxy S4) , at home with your family and at work. Bluetooth Smart support makes Android ready for a whole new class of mobile apps that connect to fitness sensors. Games video performaces improved thanks to the 3D realistic, high performance graphics powered by OpenGL ES 3.0.
Lets go on with the detailed description of the new features:
Audio Virtual surround sound - enjoy movies from Google Play with surround sound on Nexus 7 and and other Nexus devices
Dial Pad Autocomplete - just start touching numbers or letters and the dial pad will suggest phone numbers or names. To turn on this feature, open your phone app settings and enable
Dial pad autocomplete.
Graphics
OpenGL ES 3.0 - Android now supports the latest version of the industry standard for high performance graphics.
Wireless Display for Nexus 7 (2013 edition) and Nexus 10 - project from your tablet to a TV.
Internationalization and localization
Additional language support - Android is now translated in Africaans, Amharic , Hindi , Swahili , and Zulu .
Hebrew, Arabic, and other RTL (right-to-left) - now supported in the home screen, settings, and Phone, People, and Keep ap
Keyboard and Input Easier text input - an improved algorithm for tap-typing recognition makes text input easier.
Lower latency input for gamepad buttons and joysticks
Location Location detection through Wi-Fi - use Wi-Fi to detect location without turning on Wi-Fi all the time.
Networking Bluetooth Smart support (a.k.a. Bluetooth Low-Energy) - devices like Nexus 4 and Nexus 7 (2013 edition) are now
Bluetooth Smart ready.
Bluetooth AVRCP 1.3 support - display song names on a car stereo.
Settings Disabled apps tab - check which apps are disabled in Settings > Apps
System Restricted profiles - put your tablet into a mode with limited access to apps and content.
Setup wizard simplification - getting started on Android is easier thanks to the ability to correct previous input, and because of streamlined user agreements.
Faster user switching - switching users from the lock screen is now faster.
Enhanced photo daydream - navigate through interesting albums
Few of these features we saw already on the Galaxy S4 while few are new: Lets see what will be apple reaction
