Along with the Warhammer Fest pamphlets, there was a leaflet given out for Wot's in da Krate. While we dont know anything really on what it is, (yes I signed up), it appears to a mobile game or app.
Rogue Star posted up this pic on Warseer
When I signed up I got this email...... with no links or anything
Lord Shaft also on Warseer found this.
I've subscribed, updated my email settings and you get to a website for a company for Artcode. Poking around gets you here:
It's a mobile game of some description by the looks of things...
No reason to follow that link. this is what it reveals.