xdg-app is currently being developed by gnome and it does sandboxing like not giving Tetris access to your file system https://wiki.gnome.org/Projects/Sandboxe

xdg-app is currently being developed by gnome and it does sandboxing like not giving Tetris access to your file system https://wiki.gnome.org/Projects/SandboxedApps https://wiki.gnome.org/Projects/SandboxedApps