What's the language '' Kotlin '' is used for!?

Answer 1

Kotlin can be used for any kind of development, be it server-side, client-side web and Android. With Kotlin/Native currently in the works, support for other platforms such as embedded systems, macOS and iOS is coming.
People are using Kotlin for mobile and server-side applications, client-side with JavaScript or JavaFX, and data science, just to name a few possibilities

check this out 👇
https://kotlinlang.org/docs/reference/faq.html

Answer 2

it's used for love as u know