As long as your FOURKAY HDMI switch is connected to the same network as your phone you will be able to use this app to control the switch. Select which input should be routed to each display, put the switch into standby or wake it up all without having to have a separate remote control at each TV.

You will need to know the IP address of the HDMI switch on your network and you will also need to know the TCP/IP port number that the switch has been set up to use (default port is 8000).