So here is the result: xrandr_cycle
xrandr_cycle ... cycle between the display modes using the xrandr
Syntax: xrandr_cycle [--install|--help|-r]
xrandr_cycle ... cycle modes in forward order
xrandr_cycle -r ... cycle modes in reverse order
xrandr_cycle --help ... print this help
xrandr_cycle --install ... install ctrl-alt-3 and ctrl-alt-4 shortcuts
xrandr_cycle --install
By default it will install as metacity shortcut
Mod4-P (* Fn-F3) ... cycle modes in primary direction
ctrl-alt-4 (* Win-4) ... cycle modes in primary direction
ctrl-alt-3 (* Win-3) ... cycle modes in reverse direction