Callo and Cally cellphone robots

Who would have thought that passion, knowledge and some spare Bioloid parts alongside an old school Nokia N82 handset could result in the Callo and Cally cellphone robots? Developed by PhD student Ji-Dong Yim and Prof Chris D. Shaw at the School of Interactive Arts and Technology at Simon Fraser University, Canada, these robots are capable of displaying emoticon-style facial expressions to let you know of their moods, while performing a variety of gestures including dancing whenever there is an incoming call. It will rely on the Nokia N82′s camera to detect human faces, where it can then mimic arm gestures via hand tracking. What are some of the more practical uses where you think Callo and Cally will work best?