android- How to make educational semi-transparent images when app runs for the first time

Question

I've seen this in some apps , When the user runs the application for the first time, it shows some semi transparent screen shots that points to a certain part and shows some texts under it .

What does it calls ? How can I make some for my application ?

Edit: this is the image of what i mean :

thanks

Answer 1

I think you are looking for something like this

here's the github url: showcase

EDIT: Then take a look at this

there are also some of library there but i', not sure it's work for you lib try this and let me know if it work for you.