Display method of scenario emoticon using instant message service and user device therefor

A user device that displays a scenario emoticon using an instant message service, comprising:

• a memory configured to store a program for performing a display method of an emoticon using an instant message service, thumbnail images of multiple scenario emoticons, and a scenario emoticon file;
• and
• a processor configured to execute the program, wherein when the program is executed, the processor:
• generates a chat window in which two or more users participate, displays an instant message input by the users on a display region,
• displays an emoticon selection region showing the thumbnail images stored in the memory, and
• receives an input of the user's selection upon one of the thumbnail images,
• reads a scenario emoticon file corresponding to the selected thumbnail image from the memory and plays a play file included in the scenario emoticon file on the display region,
• wherein the playing of the play file includes playing the play file to overlap at least one object included in the scenario emoticon with a speech bubble region shown within the display region,
• wherein a motion of the at least one object is displayed according to a preset scenario corresponding to the at least one object,
• wherein, if a user input interacts with the displayed at least one object during the playing of the play file, the at least one object expresses a motion according to a different scenario from the preset scenario in response to the user input,
• wherein the play file includes at least one image file corresponding to the at least one object and a metafile including configuration data defining an expression according to the preset scenario of the at least one object,
• wherein a status of the at least one object is changed in different ways on the basis of at least one of different locations of the at least one object in the display region, different input time of the user input, or different display modes of the chat window,
• wherein the status of the at least one object includes a location on the display region, movement speed, movement direction, or properties of the at least one object,
• wherein, when the scenario emoticon is played according to a display mode of the chat window, at least one of the status and a motion of the at least one object displayed on the display region is changed, and
• wherein, when displaying of the scenario emoticon, a size of the at least one object included in the scenario emoticon is adjusted depending on a display mode of the chat window and whether or not a user interface menu included in the chat window is activated.