Android App Development Frameworks which are Most Popular Kotlin Since long we have known and used Java as the primary language for Android app development. With the fast-growing technology, different JVM languages have started gaining the attention of the developers and should be referenced that Kotlin is driving this crowd. It has a simple entry barrier regarding coding skills when contrasted with Java. Being a new language, community support is exceptionally less, but growing at a quick rate. Kotlin is required less coding in comparison to Java. It essentially reduces the amount of standard coding, which earlier the programmers needed to write. Along these lines improving the execution. Interoperability is the main reason behind the growing popularity of Kotlin. With this, Kotlin allows to use its features and ease of operation without changing the codes for the present project or switching to a new project.