title: How to launch external opened app using custom URL scheme from Ionic App?
body: <p>I want to launch opened app B externally from ionic app A using custom URL scheme.</p>
  <p><strong>Solutions Tried</strong></p>
  <ol>
  <li>Plugin <strong>In App Browser</strong>, is able to launch external app in the ionic app itself instead of launching the opened external app.</li>
  </ol>
  <pre><code>const target = '_system';
      let url = 'abc123://abc.com/mobile/details/' + Id;
  
      const options: InAppBrowserOptions = {
        zoom: 'no',
        location: 'no',
        hidden: 'yes'
      };
  
      this.loadingProvider.dismiss();
      this.inAppBrowserRef = this.inAppBrowser.create(url, target, options);
  </code></pre>
  <ol start="2">
  <li>Plugin <strong>App Launcher</strong>. For android, it is able to launch external app but use package name instead of custom URL scheme</li>
  </ol>