Welcome 
If you need an app to change settings use KDE.
If you point out what is meaning “general”, helpers can better help, maybe.
Some settings you find in .config/hypr/hyprland.conf
Some also here
https://forum.garudalinux.org/t/hyprland-and-gum-g-hyprland-live-wallpapers/33605/15
And maybe you over read it 
Advanced Users Only 