Thanks for the supplementary info @lasvegas!
X11Forwarding is not meant for playing games, after all GS is a portable device with its own screen and it also has hdmi output for this. X11Forwarding is very useful when developing for or tinkering with our little system.
I got it to log in, but how do you actually show the display, in windows, what is the command. all this does is get you to a command line like in winscp