title: How to launch a Chrome App from a Chrome Extension?
body: <p>Typically an app is opened from <em>chrome://apps/</em> or in the <em>button Chrome apps</em>, but how would from an external Chrome Extension? </p>
  
  <p>My extension: </p>
  
  <pre><code>-&gt;manifest.json
  -&gt;background.js
  </code></pre>
  
  <p>My app: </p>
  
  <pre><code>-&gt;manifest.json
  -&gt;background.js
  </code></pre>
  
  <p>Then, <strong>how to launch my app from my extension</strong>?</p>