Namingwise, Xerox had the "Star" personal office system, with machines such as the Star 8010 Information System. They didn't call it "Office". "Star" referred to OS/app environment, one option for the 8010 hardware, And "system" means "single workstation" (that operstied in the network) not the whole network.

"Star Office" was Sun's competitor to Microsoft Office suite.

It's actually quite possible with X2Go, including printing and audio support, but NoMachine's NX libs will probably need some love soon.

I have deployed the thing in a 100mbps LAN for quite a few users connected to beefy servers.

Also, I was running the thing for 20 or so researchers to use a powerful server from their homes.

It starts with open-source mobile devices.

which means it also ends (stops) there

the issue comes down to the possibility of programming a mobile smartphone using only mobile smartphones (in contrast with PCs)