3.4: Multiple Device Support

Q3.4.1: How do I open a frame on another screen of my multi-headed display?

Use the command M-x make-frame-on-display. This command is also on the File menu in the menubar.

The command make-frame-on-tty also exists, which will establish a connection to any tty-like device. Opening the TTY devices should be left to gnuclient, though.