Scans of a japanese magazine, courtesy of Megaman Outpost and Dark Napalm, who provided the scans to Megaman Outpost.
Anyway, the scans offer several EXE images, which show the PET toy and the wonderswan EXE/Battle Network games.
Scan 1 Scan2 Scan3 Scan4 Scan5 Scan6 Scan7
Source:Megaman Outpost
