Looks pretty neat if you ask me. Could work well for a ROM hack with a replaced main character, perhaps turning the game into Waluigi Land 4 or something.
I think it perhaps cannot be directly import into the ROM, because that is not how the sprites tiles in the ROM saved. But it's good to see some art like this.
the problems are they are splited for each frame with some structure and find the structure is hard, this is not all the Wario's sprites data, just a part of them, so if there is no tool which hardcode how to find each tile in each frame or find the structure of this part of data, it is hard to edit the graphic.