Android 4.3 - The New Jelly Bean

Android 4.3’s new restricted profiles limit access to apps and content, at home with your family and at work. BluetoothSmart support makes Android ready for a whole new classof mobile apps that connect to fitness sensors. Games look great thanks to the 3D realistic, high performance graphicspowered by OpenGL ES 3.0.

Restricted profiles:
With the new profiles feature, you can restrict app usage and content consumption. For example, a parent can set up profiles for each family member, and a business manager can set up profiles that keep employees focused on work.

One tablet, many users:
It’s your fully customized tablet. And theirs, too. With support for multiple users, you can give each person their own space. Everyone can have their own homescreen, background, widgets, apps and games – even individual high scores and levels! And since Android is built with multitasking at its core, it’s a snap to switch between users – no need to log in and out.
Profiles and users are only available on Android tablets.

Bluetooth Smart Ready:
Certain Android devices, including Nexus 4, now support low-energy Bluetooth Smart accessories. You’ll find Bluetooth Smart technology in fitness sensors, heart rate or glucose monitors, pedometers, thermometers, and much more.

Built-in security protection:
Android is designed to keep you and your data safe. Every app runs in its own sandbox, a secure space isolated from other apps. And whenever you download an app, Android can automatically scan it for viruses, checking apps against a database maintained by Google. Thanks to Android’s multiple layers of security, you can browse the web and install apps from Google Play with peace of mind.

Fast and smooth:
We put Android under a microscope, making everything feel fast, fluid, and smooth. With buttery graphics and silky transitions, moving between home screens and switching between apps is effortless, like turning pages in a book.

More reactive and uniform touch responses mean you can almost feel the pixels beneath as your finger moves across the screen. Jelly Bean makes your Android device even more responsive by boosting your device's CPU instantly when you touch the screen, and turns it down when you don't need it to improve battery life.

Beam photos and videos:
With Android Beam on Jelly Bean you can now easily share your photos and videos with just a simple tap, in addition to sharing contacts, web pages, YouTube videos, directions, and apps. Just touch two NFC-enabled Android devices back-to-back, then tap to beam whatever's on the screen to your friend.

Widgets work like magic:
With Jelly Bean it's now even easier to personalize your home screen. As you place widgets on the screen, everything else automatically moves to make room. When they're too big, widgets resize on their own. Interacting with your favorite apps and customizing your home screen has never been easier.

Amazing Photo Sphere camera:
Up, down and all around you, it’s like no camera you’ve ever seen. With Android 4.2, snap pictures in every direction that come together into incredible, immersive photo spheres that put you right inside the scene. View your photo spheres right on your phone, share them on Google+ with your friends and family, or even add them to Google Maps for the world to see.
A smarter keyboard, now with Gesture Typing:
Writing messages on the go is easier than ever with Gesture Typing – 
just glide your finger over the letters you want to type, and lift after
each word. You don’t have to worry about spaces because
they’re added automatically for you.
The keyboard can anticipate and predict the next word, so you 
can finish entire sentences just by selecting suggested words.
Power through your messages like never before.
Android's dictionaries are now more accurate and relevant.
With improved text-to-speech capabilities, voice typing on 
Android is even better. It works even when you don't have a 
data connection, so you can type with your voice everywhere you go.

Short Descriptions:

Virtual surround sound - enjoy movies from Google Play with surround sound on Nexus 7 (2013 edition) and other Nexus devices.
Surround sound is powered by Fraunhofer Cingo™ mobile audio technology.

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.”

Keyboard & input
Easier text input - an improved algorithm for tap-typing recognition makes text input easier.
Lower latency input for gamepad buttons and joysticks.

Location detection through Wi-Fi - use Wi-Fi to detect location without turning on Wi-Fi all the time.

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.

Disabled apps tab - check which apps are disabled in Settings > Apps.

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.

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.

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