Choose movie and reaction in the menu
or drag video files here.
| Space | Play / Pause |
| ⏯ ⏹ | Media keys: play / pause, stop |
| , . | Offset −/+ 10 ms |
| - + | Offset −/+ 100 ms |
| R | Movie starts now (reset offset) |
| A | Detect movie start automatically |
| L | Next layout |
| V | Hide / show reaction picture (audio keeps playing) |
| F | Fullscreen on / off |
| H ? | Show / hide this overview |