The most prominent features ANDROID 4.3 JELLY BEAN:

The most prominent features of Android 4.3 Jelly Bean:

Feature multiple accounts Multi-User: and is a feature Found already on version Android current , and is allowing the possibility of creating more than one account on a single device and determine applications and games for each account , and the new in this version is a feature parental controls and allows for parents create private accounts and control their children applications and games available to them , to avoid tampering in other applications !
Advantage Notification access: from now could become the applications installed on your computer to access and interact with alerts and displayed the way you like , or send them to other devices via Bluetooth.
Open GL-ES 3.0: This feature is intended for those interested in the games , whether they are ordinary users or developers, with better support for three-dimensional graphics , and this feature would increase the efficiency of three-dimensional games on Android devices .
Bluetooth Low-Energy: Bluetooth is becoming less energy-consuming with this feature , which gives longer battery life when you need to the continued use of Bluetooth to connect your phone or rubbing with other devices.
Feature Scanning always available: a feature that will keep you always connected to the Internet by Allowaavaa , Through this feature , the phone automatically sweep action to the place in which the user resides , and wakes up in the case of a network and WIFI new .
New applications : Added some new applications such as Netflix application to broadcast 1080p content , and application Hangout conversation , and the application of Google Keep your log notes.
Further support for the Arabic language : where will align text and menus from right to left .
Devices that have the update will be available offline : Nexus 4 , Nexus 7 and Nexus 10, in addition to HTC One and an Android Galaxy S4 raw .