No window showing on NixOs about uxplay HOT 8 OPEN

sudo systemctl status avahi-daemon.service                                                                                    
● avahi-daemon.service - Avahi mDNS/DNS-SD Stack
     Loaded: loaded (/nix/store/yf1vczxfcvk5x6yjlrasifiyzmgn087h-unit-avahi-daemon.service/avahi-daemon.service; enabled; vendor prese>
     Active: active (running) since Mon 2021-04-26 11:22:04 CEST; 1s ago
TriggeredBy: ● avahi-daemon.socket
   Main PID: 20078 (avahi-daemon)
     Status: "Server startup complete. Host name is yoga.local. Local service cookie is 2814226944."
         IP: 2.0K in, 2.0K out
         IO: 156.0K read, 0B written
      Tasks: 1 (limit: 4915)
     Memory: 976.0K
        CPU: 11ms
     CGroup: /system.slice/avahi-daemon.service
             └─20078 avahi-daemon: running [yoga.local]

Apr 26 11:22:04 yoga avahi-daemon[20078]: Joining mDNS multicast group on interface wlp0s20f3.IPv4 with address 192.168.10.44.
Apr 26 11:22:04 yoga avahi-daemon[20078]: New relevant interface wlp0s20f3.IPv4 for mDNS.
Apr 26 11:22:04 yoga avahi-daemon[20078]: Joining mDNS multicast group on interface lo.IPv4 with address 127.0.0.1.
Apr 26 11:22:04 yoga avahi-daemon[20078]: New relevant interface lo.IPv4 for mDNS.
Apr 26 11:22:04 yoga avahi-daemon[20078]: Network interface enumeration completed.
Apr 26 11:22:04 yoga avahi-daemon[20078]: Registering new address record for fe80::f9f4:9fe3:15f1:2c61 on wlp0s20f3.*.
Apr 26 11:22:04 yoga avahi-daemon[20078]: Registering new address record for 192.168.10.44 on wlp0s20f3.IPv4.
Apr 26 11:22:04 yoga avahi-daemon[20078]: Registering new address record for 127.0.0.1 on lo.IPv4.
Apr 26 11:22:05 yoga avahi-daemon[20078]: Server startup complete. Host name is yoga.local. Local service cookie is 2814226944.