I know I probably won't get any reception from this, but this is Super Mario [Bros.] 4; the first part of the first stage, depicting Princess Peach:
I actually have a "license change" at the ready; the same game with slightly different art and sound assets, called Jim and Pals in Brickland; at the same area of that stage, depicting Sally:
This is just in case if I do release SMB4 (not on a major platform like Steam, but rather on the Scirra Arcade, for one), and it gets shut down by Nintendo, I'll be prepared.
Both versions pay homage to Nintendo's official classic and New Super Mario Bros. series, technically. Overall, I hope it looks good to you.