Look! What's different? (English Rules Included)

Look! What's different? is a game that challenges your eyesight and memory! ! The gameplay is simple but challenging! You just closed your eyes, and now something is different: a card has been quietly turned over, showing a new pattern that is slightly different from the previous one.
What's the difference? Did someone turn on the light in the house, or did the little boy touch his hat? Can you find it?
Rule book download: http://cloud.longshore.com.hk/index.php/s/KPfqxhBtBSIzYoz