Certainly! Here is the revised version in fluent, natural English, preserving the HTML tags and formatting:
The uncle comes from a charming countryside village and this is his first time visiting the city. He feels a bit nervous because of the heavy traffic on the roads. He has never experienced such intense congestion before. Can you help him cross the street safely? Watch the vehicles closely and react quickly in Uncle Express Go Go.
Use the arrow keys or tap the on-screen buttons to move.
