Google announced its official support for programming language Kotlin to develop and programming Android applications.
Jet Brains founded the programming language Kotlin, the same company that developed Android Studio the official tool for the development of Android applications.
As Java is a virtual development language in the development of Android, Kotlin will work on the Java virtual machine and you can already use Kotlin and other Java virtual machine languages to develop Android applications, but official support means giving a stronger boost to its adoption by developers. Thus, Kotlin will become more fluent on Android. From the previous.
In terms of structure there are many similarities between Java and Kotlin as they are purpose oriented and designed for the same problems as Java.
But Kotlin offers many of the features that developers and syntax are looking for in a simpler and simpler design with other enhancements.