Create a folder and put Joseki SGF files in it.
Click menu item "Tools-File Location" to select the folder for Joseki.
Click menu item "Joseki" to load files.
Circles on the board are first moves of all files in the folder. Example
Contribution of individual file can be seen by selecting file name in lower-right tree view.
By hitting enter key or clicking twice the file name in lower-right tree view, SGF viewing state will be activated.
Select a file in master state then press U will count unique branches. Press Alt+U will move to unique branches.
Kogo's Joseki dictionary can also be used.