Instalando Roblox no Ubuntu 22.04.
apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub net.brinkervii.grapejuice
flatpak run net.brinkervii.grapejuice
flatpak run net.brinkervii.grapejuice first-time-setup
Fonte: https://sempreupdate.com.br/como-instalar-o-launcher-grapejuice-no-linux/
