Auto Correct, Auto Complete, and other features such as Artificial Intelligence and versatile input styles to provide greater accessibility to everyone. It is a keyboard which learns from you and adapts itself to suit you. Looks wise, it looks very similar to the Google Keyboard "GBoard" except without the Google button.
To Setup the Keyboard: It's easy, just open the app and follow the instructions on screen. In short, Launch the app > Enable the Arabic Keyboard > Select it as an active input method > Select the languages.