A Robot that is not made for utilitarian use, as in production or domestic services, but for the sole subjective pleasure - an emotion,  even the 'smartest computers are not capable to have...

 

Domestic robots have 2 main categories..

Chore Robots ,  Robotic Mop , Robotic Vacuum Cleaners , Home Courier (Helps to move objects at home)

Lawn Mowers , Automated Pool cleaners

 

Usually designed to resemble pets (A dog robot with multi-modal behavoir) in appearance and behavior, usually incorporating pet characteristics such as barking or tail-wagging.