キラーソフト

noun

killer app; system seller

Refers to a video game or software title so compelling that it drives hardware sales. Wasei-eigo from English 'killer soft(ware)'.

wasei-eigo (Japanese-coined English), from killer soft(ware)

• あのゲームは本ほん当とうにキラーソフトで、発はつ売ばいと同どう時じに本ほん体たいの売うり上あげが急きゅう増ぞうした。

  That game was a real killer app; hardware sales surged as soon as it was released.

• 新あたらしいキラーソフトが出でないと、次つぎの世せ代だいのゲーム機きは苦く戦せんするだろう。

  Without a new system seller, the next-generation console will probably struggle.