Set pulseaudio default card, adjust volume.
Create a wifi lan with no dns server or dhcp server like networkmanager. Need to use a static ip on devices.
Pure bash internet ip grabber.
All the nice things you can do with qemu disk images. Create, snapshot, convert, mount.
Generate a qemu script for a linux guest with 3d accelleration using virgl as video option (screen resizing works just type xrandr -s 0 in a terminal after the resizing of the window) and user mode or macvtap as networking.
Watch twitch via streamlink / mpv and connect to the chat via irrsi.