New branch (2.x.x) only works with XF 1.3. It's strongly recommended that you should uninstall this add-on (1.x.x) before upgrade to XF 1.3 because it will breaks 1.3 upgrade due to DB conflict. If you have any problems, please refer to this post
Version 1.0.2 was released with import/export features, but you have to add smiley first in order to export, and it requires lot of time to add one by one. Well, that's no more, here come the time-saver feature: Bulk Add Smilies. There're 2 modes: bulk add from directory and from sprite image.
Bulk add from directory Bulk add from sprite image (Powered by Sprite Cow)