Chinese smartphone maker Honor has unveiled a “robot phone” and its first humanoid assistant ahead of MWC Barcelona, alongside its latest foldable handset, in an aggressive bet on artificial intelligence-powered hardware to stand out in the fierce Android competition.Honor’s AI Robot Phone, which featured a motorised, three-axis gimbal arm, could track motion and interact with users through camera movement, the company said in a preview of the handset on Sunday in Barcelona.The camera arm and...