To avoid the Out of memory error when trying to copy the su-executable to /system/bin, you need to start the emulator manually with a large –partion-size argument:
$ emulator -avd MYNAME -partition-size 300
Then:
$ adb remount $ adb push ~/Desktop/rootfiles/su /system/bin/su $ adb shell chmod 06755 /system/bin/su
blog.elsdoerfer.name 