Santa Quest

https://gx.games/games/x46raz/santa-quest/

About controls

Almost all controls are tutorialized in game 

They could work for keyboard and gamepad both

Only a couple of them are not explained in game: 

Left menu button - use mouse left click

Characters change menu - mouse right click to open and left to choose character

To play Harmonica : equip and use as a weapon, then play sounds with keyboards Z S X D C F V G or gamepad(all buttons play a different note) from C4 to C5