Entertainment apparatus, light emission controlling apparatus, operation device, light emission controlling method and program

-18. (canceled)

An operation device comprising:

• a control signal acceptance unit configured to accept a control signal from a light emission controlling apparatus, the light emission controlling apparatus including an identification information specification unit configured to specify identification information associated with the operation device, a specific light emission region specification unit configured to specify a specific light emission region that is part of a light emission region set to the operation device, the specific light emission region according to the identification information, and a light emission controlling unit configured to control such that at least part of the light emission region emits light in such a manner that a color according to the identification information and the specific light emission region are recognizable, the control signal being for controlling such that at least part of the light emission region emits light;
• and
• a light emission unit configured to emit light in response to an acceptance of the control signal in such a manner that a color according to the identification information associated with the operation device and the specific light emission region that is part of the light emission region according to the identification information are recognizable.

-21. (canceled)

-27. (canceled)