Why is my device not detected by the app?

Check Firewall settings, Firewalls could block SendMe for network operations
Microsoft Windows has the option to hide a device in a network. Check if the device is hidden for the network.
- Mac: How to hide your Mac from a network | Laptop Mag
- Win: How to hide a computer from other computers on the network on Windows 10 (addictivetips.com)
Check that UDP is enabled on the router, as SendMe is using UDP for broadcasting the network
Check that the usage of port 5678 is not blocked on the router