This menu has options to import and export custom widgets (My widgets). It also has options to share widgets' libraries with other Justinmind users.
Click 'New Widget Group' if you want to create a new widget group in 'My Widgets'.
Click 'Import Library' if you want to import widgets from a .jpl file.
Click 'Export Library' if you want to export widgets to a .jpl file.
Click 'Download Libraries' if you want to download widgets from Justinmind's website.
Click 'Shared Widgets > New Library' if you want to create a new shared widgets' library.
Click 'Shared Widgets > Commit all' if you want to commit all the local changes of your shared widgets' libraries.
Click 'Shared Widgets > Update all' if you want to update all your shared libraries.