Download android kernel from http://code.google.com/p/android/downloads/detail?name=linux-2.6.25-android-1.0_r1.tar.gz&can=2&q= Extract to /kernel.git Edit file following linux-2.6.23-android-m3-rc20-kbde.patch which can download from http://code.google.com/p/android-vnc/source/checkout Note: modified a few files such as /kernel.git/Makefile, /kernel.git/drivers/input/keyboard/Makefile, /kernel.git/drivers/input/keyboard/Kconfig, /kernel.git/drivers/input/keyboard/kbde.c Get config file from your working phone/emulator $adb pull /proc/config.gz . $gunzip config.gz $mv config .config Put .config file into /kernel.git/ Put it in android environment which can compile e.g. /mydroid/kernel.git Building zImag e ******************************* Go into kernel directory $ cd ~/mydroid/kernel.git/ #don't need to this coz we already have .config => $ make msm_defconfig ARCH=arm $ make ARCH=arm CROSS_COMPILE=../prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi- Run vnc *