Possible Clues:

• Expressive online cartoon symbol
• Smiling cat with heart eyes, for example
• Japanese term whose similarity to "emotion" is coincidental
• Thinking Face or Smirking Face
• Face of technology
• Supremo jilted, conceals sign of how he's feeling
• Japanese "picture character"
• Exceptional moment of joy is initally captured in graphic image
• Smiley face in a text, perhaps
• Purple heart, e.g., in a text