Mario creator surprised and saddened by Iwata's sudden passing.
Jenna Coleman and Michelle Gomez also lending their voices.
Super Mario Maker mural can be seen on a wall in Shoreditch.
Miller continues his tirade against baby Nintendo fans and invites a real child to cover a showcase of its games.
Free to download, but only available in ranked matches.
Nintendo designer takes a step back from hardware to focus on software instead.
Also experience a special 30th anniversary section dedicated to Super Mario.
"It's just not the way we do things," says Reggie.
Prior commitments meant game never came to fruition.