How to have startup guide of android app?(e.g. what button to click,.. and etc.) : <p>i don't know whats the name of it but i can give some sample
e.g. highlighted the button with guide</p>

<p><a href="https://i.stack.imgur.com/S612g.png" rel="nofollow noreferrer">https://i.stack.imgur.com/S612g.png</a></p>
