What is the name of this graphics engine?

Question

Mobile development

What is the name of such graphics, and in what program is it executed?

And such a graph?

Answer 1

The engine can be anything, since in the first example there is just stylized graphics and this can be done in Unity and UE4 and even Qt. Why? Because graphics are always drawn by a designer/artist.

Answer 2

Unity

Answer 3

So you want the name of the software where the artist draws art? Or where screenshots are framed? Or is it the name of the graphics engine that renders in the game?