Well, the saber and the driver seem pretty obvious and/or self explanatory as to why they're there, but what in tarnations is the Ghost Icon?

I'm gonna guess "Icon" refers to this years' collector gimmick. Some kind of totem that powers the Driver & weapon maybe?

Yeah I think the Ghost Icon is the gimmick too. What's GanGan mean?

The sound of a large bell or scolding voice.

Interesting. I can't wait for pictures to start surfacing.

I could see a Bell sword or a screaming sword then.

Actually, it doesn't have to be a scolding voice. It can be any loud and intense sound. In the opening to the Sailor Moon toku, it was used as a motivational sound for giving your best at fighting in a tough situation.

But considering the literal meaning many of the weapons had, it will probably be the bell.

Fuck bells.
Megaphone sword.

Considering this might be folklore... Bells.

Maybe an idea I had will pan out: the icons represent a different spirit l'm calling it samurai, knight, cowboy/gunslinger as the starting icon's