• First of all, you must have a basic knowledge of the Java language for Android Development.   
• Set up Android Studio IDE of Android Development on your PC or Laptop.
• Take a course or any book on Android app development with which you think you are comfortable. Being comfortab...

If you like to play games, why not play ones that also train your brain? 

There are many different brain training apps on the market, many of which are free. Here are some free brain training apps that have been proven to strengthen neural pathways and enhance your cognitive abilities:

blog.mindorks.com 

• Android Jetpack is the next generation of Android components. It manages activities like background tasks, navigation, and Lifecycle management.
• Learn about MVP architecture.