perhaps Mario or a 2D platformer like mentioned before?I've been thinking of games to introduce my 4 year-old to playing on a gamepad.
Something tells me RE2 Remake may not be the best choice.
As for RE2, Claire makes up for the terror in the game. Other than that, I agree that controlling a game with the right stick to rotate the camera might not be well suited for a newbie, as I could see with my own eyes.