The roms have to be placed in:

`/mnt/sdcard/external_sdcard/roms/mdroms/roms/`

And should have the extension `.smd`

Emulator settings can be accessed with adb:

`am start -n com.androidemu.gens/.EmulatorSettings`

The app requires native armeabi-v7a libraries. They are packaged in this entry as .so files. I don't know how to make the app see them