Android KitKat

http://developer.android.com/about/versions/kitkat.html

• Making Android for everyone
• New NFC capabilities through Host Card Emulation
• Printing framework
• Storage access framework
• Low-power sensors
• Sensor batching
• Step Detector and Step Counter
• SMS provider
• New ways to build beautiful apps
• Full-screen Immersive mode
• Transitions framework for animating scenes
• Translucent system UI styling
• Enhanced notification access
• Chromium WebView
• New media capabilities
• Screen recording
• Resolution switching through adaptive playback
• Common Encryption for DASH
• HTTP Live Streaming
• Audio Tunneling to DSP
• Audio monitoring
• Loudness enhancer
• Audio timestamps for improved AV sync
• Wi-Fi CERTIFIED Miracast™
• RenderScript Compute
• Ongoing performance improvements
• GPU acceleration
• RenderScript in the Android NDK
• Graphics
• GLES2.0 SurfaceFlinger
• New Hardware Composer support for virtual displays
• New Types of Connectivity
• New Bluetooth profiles
• IR Blasters
• Wi-Fi TDLS support
• Accessibility
• System-wide settings for closed captioning
• Enhanced Accessibility APIs
• Support for international Users
• Drawable mirroring for RTL locales
• Force RTL Layout
• Security enhancements
• SELinux (enforcing mode)
• Improved cryptographic algorithms
• Other enhancements
• Tools for analyzing memory use
• Procstats
• On-device memory status and profiling