sdcard SD card image (default /sdcard.img cache cache partition image (default is temporary file) partition-size system/data partition size in MBs data data image (default /userdata-qemu.img ramdisk ramdisk image (default /ramdisk.img writable-system make system image writable after 'adb remount' sysdir search for system disk images in That gives us a LOT of options that are not documented on the website including.
I’ve gotten so used to Googling for help, that I didn’t think of running help locally :-p emulator -help
There is also documentation specific to the creation of AVDs (vs just the running of them on the emulator), but that kept referring to the UI tools for it. The Android Emulator documentation online has some options for running the emulator, but it didn’t allow me to specify memory at runtime, and many other things I wanted to customize. I Googled all around to try and figure out how to tweak Android Emulator virtual devices (AVDs) via the command-line.