Plain text, or anything copied from a Google Doc. It's saved on this device so you can reopen straight to the stage next time.
External display
Drag this window onto your other monitor, then click anywhere (or press F) to go fullscreen. Control everything from the main window.
Speed—
Text size—
Margin—
Couldn't open a new window automatically. Copy this link and open it manually in a new window (File → New Window), then drag that window to your external display:
Space play/pause · ↑↓ speed · V/C size · M/N margin · H mirror · B flip · F fullscreen