Why it worked
The video uses popular culture references (Gengar from Pokemon) and a visually appealing, satisfying decoration process to engage viewers. The quick, step-by-step assembly and the cute final result make it shareable.
Summary
The video shows a person decorating a wall with various cutouts. First, a red frame is placed on the wall, followed by a white insert. Then, a purple Gengar character cutout is attached, and finally, a small knitted hat is placed on top of the Gengar cutout.