It seems like you have selected both the source and the destination zones to be LAN. If you would like these devices to be reachable over the internet, then the source zone should be WAN, and no MAC address is needed. Also, your device has a CGNAT address assigned on the mobile interface, so it will not be reachable over the internet.
If you are trying to establish LAN ←→ LAN communication, then port forwards are not needed. I'd recommend deleting all of the created rules, and everything should work.