Some more information on the IDriod iPhone case by Sentinel was shared during Kojima Station, the studio’s official videocast. Host Sean Eyestone stated the case will be available worldwide somewhere in October, though the price has not yet been decided. Unfortunately, this case is only compatible with iPhone 5 and iPhone 5S, and there are no plans for other versions.
During the Japanese Kojima Station streamed earlier, Hideo Kojima himself showed off the case as well.
The case’s size is true to that of the device in the game.
Source: Kojima Station Episode 4 (English and Japanese)