noun
killer content; killer app
Refers to content or an application so compelling that it drives adoption of a platform, service, or product. Often used in business and tech contexts.
このゲームが新ハードのキラーコンテンツになるだろう。
This game will likely become the killer content for the new hardware.
動画配信サービスにとって、独占
For video streaming services, exclusive dramas are killer content.