What is an SDK? (Software Development Kit) (Video)
A software development kit is a collection of software development tools in one installable package. They facilitate the creation of applications by having compiler, debugger and perhaps a software framework. They are normally specific to a hardware platform and operating system combination.
Android SDK Tutorial | How to Setup Android SDK? (Video)
Android software development is the process by which applications are created for devices running the Android operating system. Google states that "Android apps can be written using Kotlin, Java, and C++ languages" using the Android software development kit, while using other languages is also possible.
Basic Understanding of Android Version
Evolution of Android OS 1.0 to 11 2020 (Video)
Android is a mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets. Some well known derivatives include Android TV for televisions and Wear OS for wearables, both developed by Google.