You can play your smoovies from both the Library and the Editor, either from the Control menu or by using the playback controls at the bottom of the screen. The playback controls in the Editor are only visible when the camera is turned off.
To play your smoovie, do any of the following:
You can use the scrubber in the playback controls to skip directly to a particular time in the playback or to scrub through your smoovie. The text on the left-hand side of the scrubber gives the elapsed time from the beginning of your smoovie to the current playback position, while the text on the right-hand side shows the time remaining.