browserconfig.xml

<?xml version="1.0" encoding="utf-8"?>
    <browserconfig>
      <msapplication>
        <tile>
          <square70x70logo src="/ms-icon-70x70.png"/>
          <square150x150logo src="/ms-icon-150x150.png"/>
          <square310x310logo src="/ms-icon-310x310.png"/>
          <TileColor>#ffffff</TileColor>
        </tile>
      </msapplication>
    </browserconfig>