Kotlin is the official programming language for Android. Android studio 3.0 support the Kotlin,
so upgrade your Android studio to 3.x and follow the below steps to start Kotlin development.
File-> New -> New Project…
Provide the application name, domain, project location. select “Include Kotlin Support”.
Select the android API level.
Select the Android Activity Layout.
Click “Finish” button and wait, it will create Kotlin project for you.
Now Run the project in Emulator.