If you want to develop android applications, join the android studio course to learn the basics of android and Java programming. This course will help to go through the process of developing android applications step by step from scratch to uploading on Play Store. The course is divided into 3 levels basic, intermediate and advanced. If you are curious about developing an app, its the right choice for you.
Unity is important for app development making it flexible for both iOS and Android. It also great for developing games, which is core element of mobile industry.
It supports 2D and 3D games development. Its inbuilt features make the process of developing easier. AR and VR apps are much fun while developing on Unity.