title: Konva Transformer is not supporting two finger scaling and scaling is very difficult in mobile devices
body: <p>I used below code to initiate Transformer</p>
  
  <pre><code>const tr = new Konva.Transformer();
  </code></pre>
  
  <p>But the two finger scaling is not supporting and it's very difficult scale in mobile devices.</p>
  
  <p>Anyone know how to fix this?</p>