Follow these steps to add a shortcut on Android home screen to a specific conference item:
  1. On home screen of Android 'long press' on screen and a 'Add to Home Screen' menu should appare
  2. Select 'Shortcuts'
  3. In the list select 'Conference Item'
  4. Select the phone number and conference item you want to dial when clicking on the shortcut
  5. Done!

(Note if you want to change phone number or conference item you have to delete the shortcut and create a new one. Alternative you add a 'conference dialer widget' instead - see other how to for instructions)

Long press on Android home screen to get the 'Add to Home screen' menu to appare in Android

Long press on Android home screen to get the 'Add to Home screen' menu to appare in Android

Select 'Conference Item' in the list

Select 'Conference Item' in the list

Configure what phone number and conference item to dial when pressing the shortcut

Configure what phone number and conference item to dial when pressing the shortcut

Widget and shortcut support

Widget and shortcut support on Android home screen