Photo by The Average Tech Guy on Unsplash Kotlin is now the official programming language for Android app development. Since it replaced Java as a better alternative, developers building Android mobile apps now mostly prefer using it. This is not enough said since many app developers still are in doubt about embracing Kotlin instead of Java.  Understanding Kotlin & its key capabilities  Kotlin is a general-purpose programming language with the typical ability to compile code with the Java Virtual Machine (JVM) code. Developed by JetBrains and launched by Google as the official language for Android in 2016, Kotlin offers the safest, most concise, and error-free way to write code for Android apps. No wonder, for any Android app development company, Kotlin remains the primary skill set to keep going and delivering work for their clients.  Some of the key features and attributes that made Kotlin famous include the following.  Interoperability with Java Android Studio IDE support E