After you have the app installed, you will need open the wake-on-LAN view and create a new host entry for the hosts you want to wake. You will need the MAC address for each host.
A couple of things you need to know:
Thank you for the quick response. I have the app installed already and have my hosts configured for wake-on-LAN. All of the hosts are on the same network. I was hoping for more technical instructions for set-up and/or troubleshooting.