Mobile stuff usually isn't that prevalent at Comic Con, short of a few spillover trailers for games that might also be coming to mobile. Rovio, as usual, is the exception here and just released a pretty awesome Angry Birds Transformers trailer:
Angry Birds Transformers is still in the "coming soon" camp, with few other details released beyond the obvious that there will be a whole new line of crossover toys for Angry Birds and Transformers. Either way, Transformers anything is usually pretty cool.
Angry Birds Transformers Upcoming AppWatch Button Watch App