Per ora è un Alpha ma funziona molto bene KERNEL JB 4.1.2
Features:
Kernel version: 3.4.x
Initial Release
New x32 ABI support, this shall somehow maximize CPU perfomance
Swap-in readahead skips over holes
Netfilter enhancement
Crypto - sha224 and sha384 routines
Some minor file system changes
Networking enhancements (networking speed is a bit better)
Advanced Configuration and Power Interface S4 sleep state - this would result in ability of guest VMs to hibernate on Xen
Larger physical address extension on the ARM architecture
Some battery improvements, battery life seems to be better
Lots of open source graphic DRM changes
Intel Sandy Bridge performance improvements (only on PC's)
Btrfs improvements
Improved Power Management
New Power Management Phases
Governors taken from PhenomKernel
I/O Schedulers from PhenomKernel
370MB User RAM
Compiled with Linaro 4.7.3 Toolchain.
Working:
Camera (both picture and video, 720P recording)
3G & Calls
Audio
Battery
Touchscreen
Touch keypad
Wifi
Bluetooth
Accelerometer
Light sensor
Proximity Sensor
Orientation Sensor
Digital Compass
Vibration
GPS
Display
USB (also OTG is supported)
BLX
V-SYNC
Link XDA forum : Discussione XDA
LInk Download : PhenomKernel_3.4.34 ONLY JB Second Release