An entertainment robot is, as the name indicates, a robot that is not made for utilitarian use, as in production or domestic services, but for the sole subjective pleasure of the human it serves, usually the owner or his housemates, guests or clients.
An entertainment robot is of the human. This is as in production or domestic services, but for the sole subjective pleasure. It serves the owner. This is usually. It serves his housemates, guests or clients. This is usually. The name indicates, a robot. This robot is not made for utilitarian use.