Android is a mobile operating system (OS) based on the Linux kernel and currently developed by Google.
With a user interface based on direct manipulation, Android is designed primarily for touchscreen mobile devices
such as smartphones and tablet computers, with specialized user interfaces for televisions (Android TV),
cars (Android Auto), and wrist watches (Android Wear). The OS uses touch inputs that loosely correspond to
real-world actions, like swiping, tapping, pinching, and reverse pinching to manipulate on-screen objects,
and a virtual keyboard.
You have gone through all the training and reading material, since you decided to choose your career. This might have given you initial understanding about the procedures and techniques and you are even able to pass your certification as well ...