Why does Playio, a South Korean mobile game marketing platform, use "game duration" as its core indicator?

In the field of mobile game marketing, in app advertising has always been one of the most common ways. The most mainstream advertising mode is formed by displaying banners or video ads during the game, guiding clicks, and pulling installations. However, as market competition becomes increasingly fierce, this approach is gradually showing bottlenecks. Especially in the mature mobile game market, whether users truly enter the game and continue to play has become a more critical indicator than download volume......