Sorry for this topic in english.
It's just that I know it better than French...
For the new release I suggest the option for mark seen or unseen movie.
Seen or Unseen movie
It is better in English than in French, so more people can read it 
For the moment it is possible to display checkboxes in the list, just go to Tools -> Preferences -> Movie list, and enable the Checkboxes option.
It will display checkboxes at the left of the movie titles in the list.
In the next version it will be able to define fields, so you'll be able to add as many checkboxes as you want in the fields in the right part of the screen
For the moment it is possible to display checkboxes in the list, just go to Tools -> Preferences -> Movie list, and enable the Checkboxes option.
It will display checkboxes at the left of the movie titles in the list.
In the next version it will be able to define fields, so you'll be able to add as many checkboxes as you want in the fields in the right part of the screen