Why it worked
The video leverages a popular and visually appealing Minecraft build of a recognizable location (Krusty Krab) to capture attention, then seamlessly transitions into a promotion for a related app (live wallpapers) that aligns with the aesthetic.
Summary
The video showcases a Minecraft build of the Krusty Krab from SpongeBob SquarePants at night, with jellyfish and bubbles. It then transitions to an advertisement for the "Wallpics" app, which offers live wallpapers, displaying download buttons for Google Play and the App Store.