 Here's an example serial number: <code>emulator-5554</code></li>
  <li>State &mdash; The connection state of the instance may be one of the following:
    <ul>
      <li><code>offline</code> &mdash; the instance is not connected to adb or is not responding.</li>
      <li><code>device</code> &mdash; the instance is now connected to the adb server. Note that this state does not
        imply that the Android system is fully booted and operational, since the instance connects to adb
        while the system 