There is asymmetry between the ‘flashiness’ of the role and the potential impact her role can have, if its in the capacity you describe. Do smart phone consumers rate ‘unique digital art experiences’ high on their decision making process? Will they be swayed by ‘art directed by AK’ scripted on the handset or interface? It still feels juvenile.
Is there a term for this practice of hiring pop stars to ‘creative direct’ your gadget/auto company - you know, along the lines of ‘greenwashing’?