Targeting minimal Android API level from Kotlin JVM project



I had a Kotlin library that I used in a server application (JRE 8) but now I need to use it on an android app with a specific minSdkVersion, let assume minSdkVersion:15. How can I insure that my lib is compatible ?
Is there any compiler options to set to insure Android compliance ?
My library is built with Maven and for the moment I have set some properties:


But I’m sure if it’s the enough ?