get state() {
    return this[data].state;
  }
According to Genymotion's API docs, state is an enum with these possible values (description is not official):
- "CREATING": Handling instance creation request
- "STARTING": Instance created but not yet available for usage
- "BOOTING": Instance created & started; Android OS is not booting
- "ONLINE": Instance is ready for action
- "RECYCLED": Instance has been automatically shut down due an idle timeout
- "STOPPING": Instance is being shut-down

Additional states: "OFFLINE", "SAVING", "SAVED", "DELETING", "ERROR", "REVOKED", "EXPIRED".