ランチャー

noun

launcher

General term for a device or mechanism that launches something, such as a rocket, missile, or application.

• ロケットランチャーは軍ぐん事じ用ように開かい発はつされた。

  The rocket launcher was developed for military use.

noun

application launcher

In computing, a program that starts other programs or provides quick access to applications.

• スマホのアプリランチャーをカスタマイズした。

  I customized the app launcher on my smartphone.