-The player character runs automatically, don't need to hold X/Y.
-You can quit out of any level at any time (press start, select "QUIT" and press start to confirm).
-The game is automatically saved once you quit to the overworld and when moving between levels, which is indicated by the "SAVED!" text in the bottom-right. Checkpoints are saved (perfect for breaks!).
-Your settings from "NEW TUTORIAL HOUSE" are saved when the game is saved.
-Press start to skip cutscenes (when the heads are fully out), and hold A/B button to advance the text faster.