→ Space or a clicker moves to the next scene, ← goes back, 1–9 jump.
R replays the transition into this scene. F fullscreen. H hides this bar. B blacks out the screen.
P opens presenter notes in a second window: drag it to your laptop screen, leave this one fullscreen on the wall. Its keys drive the wall too.
On a phone, tap the right side of the stage to go forward and the left side to go back.