If you need to move like in the video, this is not a very simple task. It includes isometric projection, grid-based pathfinding, grid-based movement, directional animation..
Check out the Turorials section, there are lots of examples on how to do these things.
https://www.scirra.com/tutorials/all
Some related tutorials:
https://www.scirra.com/tutorials/1117/animation-management-in-8-direction-games
https://www.scirra.com/tutorials/413/direction-based-sprite-animation
https://www.scirra.com/tutorials/5010/procedural-character-animation-for-top-down-isometric-games
https://www.scirra.com/tutorials/1016/grid-based-hero-movement
https://www.scirra.com/tutorials/1094/grid-based-movement
https://www.scirra.com/tutorials/4838/grid-based-movement-using-the-tilemap-object
I do not have links open