Netflix has launched a new gaming app aimed at children under eight, in what looks like another attempt to deepen engagement within its ecosystem. “Playground” is designed as a curated, child-safe environment featuring games based on familiar characters and simple mechanics, many of which can be played offline. Unlike video streams, which can be tracked down to the second, games do not always produce consistent data signals. The Playground app includes titles that can be played offline, which deems it difficult to consistently track usage data and engagement across titles. The problem is compounded by the nature of the product itself. Playground leans heavily on Netflix’s existing intellectual property, with games built around its children’s catalog—titles tied to animated titles…