Premium Bandai has recently announced that they will be releasing the Kamen Rider Ghost DX Proto Mega Uloader.
As seen in the recent episodes of Kamen Rider Ghost, the Proto Mega Uloader seems to be a device that will be used by the Superior Ganma. The set will also include two Ganma Eyecons that will feature several different Ganma sounds.
The set will be a Premium Bandai Exclusive and will be released in July priced at 6.480 Yen. Contact your preferred middleman for more details.
Source: Premium Bandai