Portable toy, portable information terminal, entertainment system, and recording medium

A portable information terminal comprising:

• display means for displaying information depending on a program which is executed;
• sound output means for outputting a sound of information depending on the program which is executed;
• communication means for sending and receiving information;
• and
• message information output means for outputting a sound of message information, of information received by said communication means, via said sound output means.

An entertainment system comprising:

• an entertainment apparatus having a function to execute a program;
• and
• a portable information terminal detachably connected to said entertainment apparatus and having an interface for being electrically connected to said entertainment apparatus,
• said portable information terminal comprising a display unit and a casing surrounding said display unit, said display unit and said casing representing a form comprising a head and a body, said display unit functioning as at least means for presenting facial expressions of the form.

An entertainment system comprising:

• an entertainment apparatus having a function to execute a program;
• and
• a portable information terminal detachably connected to said entertainment apparatus and having an interface for being electrically connected to said entertainment apparatus;
• said portable information terminal comprising:
• display means for displaying information depending on a program which is executed;
• sound output means for outputting a sound of information depending on the program which is executed;
• communication means for sending and receiving information;
• and
• message information output means for outputting a sound of message information, of information received by said communication means, via said sound output means.

An entertainment system comprising:

• an entertainment apparatus having a function to execute a program;
• and
• a portable information terminal detachably connected to said entertainment apparatus and having an interface for being electrically connected to said entertainment apparatus;
• said portable information terminal comprising:
• illegal copying prevention means for periodically determining whether legitimate information has been downloaded from said entertainment apparatus or not, and if legitimate information has not been downloaded, making ineffective at least control inputs entered into said portable information terminal.

A recording medium storing a program comprising the steps of:

• either randomly selecting one of a plurality of items of facial expression information at the timing of a predetermined time duration or selecting one of a plurality of items of facial expression information at the timing of a manual control input entered while a present facial expression is being displayed;
• reading the selected facial expression information;
• and
• displaying a moving image representing a deformation from the present facial expression to a facial expression based on the read facial expression information according to a morphing technique.