Android Emulator usage: emulator [options] [-qemu args]
  options:
    -sysdir <dir>                         search for system disk images in <dir>
    -system <file>                        read initial system image from <file>
    -datadir <dir>                        write user data into <dir>
    -kernel <file>                        use specific emulated kernel
    -ramdisk <file>                       ramdisk image (default <system>/ramdisk.img
    -image <file>                         obsolete, use -system <file> instead
    -initdata <file>                      same as '-init-data <file>'
    -data <file>                          data image (default <datadir>/userdata-qemu.img
    -partition-size <size>                system/data partition size in MBs
    -cache <file>                         cache partition image (default is temporary file)
    -no-cache                             disable the cache partition
    -nocache                              same as -no-cache
    -sdcard <file>                        SD card image (default <system>/sdcard.img
    -snapstorage <file>                   file that contains all state snapshots (default <datadir>/snapshots.img)
    -no-snapstorage                       do not mount a snapshot storage file (this disables all snapshot functionality)
    -snapshot <name>                      name of snapshot within storage file for auto-start and auto-save (default 'default-boot')
    -no-snapshot                          perform a full boot and do not do not auto-save, but qemu vmload and vmsave operate on snapstorage
    -no-snapshot-save                     do not auto-save to snapshot on exit: abandon changed state
    -no-snapshot-load                     do not auto-start from snapshot: perform a full boot
    -snapshot-list                        show a list of available snapshots
    -no-snapshot-update-time              do not do try to correct snapshot time on restore
    -wipe-data                            reset the user data image (copy it from initdata)
    -avd <name>                           use a specific android virtual device
    -skindir <dir>                        search skins in <dir> (default <system>/skins)
    -skin <name>                          select a given skin
    -no-skin                              don't use any emulator skin
    -noskin                               same as -no-skin
    -memory <size>                        physical RAM size in MBs
    -netspeed <speed>                     maximum network download/upload speeds
    -netdelay <delay>                     network latency emulation
    -netfast                              disable network shaping
    -trace <name>                         enable code profiling (F9 to start)
    -show-kernel                          display kernel messages
    -shell                                enable root shell on current terminal
    -no-jni                               disable JNI checks in the Dalvik runtime
    -nojni                                same as -no-jni
    -logcat <tags>                        enable logcat output with given tags
    -no-audio                             disable audio support
    -noaudio                              same as -no-audio
    -audio <backend>                      use specific audio backend
    -raw-keys                             disable Unicode keyboard reverse-mapping
    -radio <device>                       redirect radio modem interface to character device
    -port <port>                          TCP port that will be used for the console
    -ports <consoleport>,<adbport>        TCP ports used for the console and adb bridge
    -onion <image>                        use overlay PNG image over screen
    -onion-alpha <%age>                   specify onion-skin translucency
    -onion-rotation 0|1|2|3               specify onion-skin rotation
    -scale <scale>                        scale emulator window
    -dpi-device <dpi>                     specify device's resolution in dpi (default 165)
    -http-proxy <proxy>                   make TCP connections through a HTTP/HTTPS proxy
    -timezone <timezone>                  use this timezone instead of the host's default
    -dns-server <servers>                 use this DNS server(s) in the emulated system
    -cpu-delay <cpudelay>                 throttle CPU emulation
    -no-boot-anim                         disable animation for faster boot
    -no-window                            disable graphical window display
    -version                              display emulator version number
    -report-console <socket>              report console port to remote socket
    -gps <device>                         redirect NMEA GPS to character device
    -keyset <name>                        specify keyset file name
    -shell-serial <device>                specific character device for root shell
    -tcpdump <file>                       capture network packets to file
    -bootchart <timeout>                  enable bootcharting
    -charmap <file>                       use specific key character map
    -prop <name>=<value>                  set system property on boot
    -shared-net-id <number>               join the shared network, using IP address 10.1.2.<number>
    -memcheck <flags>                     enable memory access checking
    -gpu <mode>                           set hardware OpenGLES emulation mode
    -fake-camera <mode>                   set fake camera emulation mode
    -webcam name=<name>[,dir=<direction>] setup web camera emulation

     -qemu args...                        pass arguments to qemu
     -qemu -h                             display qemu help

     -verbose                             same as '-debug-init'
     -debug <tags>                        enable/disable debug messages
     -debug-<tag>                         enable specific debug messages
     -debug-no-<tag>                      disable specific debug messages

     -help                                print this help
     -help-<option>                       print option-specific help

     -help-disk-images                    about disk images
     -help-keys                           supported key bindings
     -help-debug-tags                     debug tags for -debug <tags>
     -help-char-devices                   character <device> specification
     -help-environment                    environment variables
     -help-keyset-file                    key bindings configuration file
     -help-virtual-device                 virtual device management
     -help-sdk-images                     about disk images when using the SDK
     -help-build-images                   about disk images when building Android
     -help-all                            prints all help content