> for example, there is no file manager or image viewer installed by default. Users can, however, access the GNOME desktop environment and perform tasks such as installing other software
It's "just" Debian with some default configuration and extras (and version 3 will replace Debian with Arch)
I’m thinking Ubuntu could do it as “Ubuntu for Gamers”. It would probably go a long way to getting a common set of infrastructure for developers to build on.