What is the name / make of the instructions for using the application?

Question

Android

There is an application, but some functions, such as logging in, are hidden in Nav Denwer, how to make it so that when you open the application, there is an introductory instruction on how to use the application, such as in applications that, when opened, buttons are highlighted and a hint is displayed at the top about what this button is for

Answer 1

It's called onboarding.