Harry Potter 2: The Black Art Wtrstle Edition is Game Boy Color game made by a Taiwan developer, BBD. It is a 2D platformer that is based on the first book of the Harry Potter series. In it, the player must collect a specific number of items (such as challenge stars, wizard cards, and golden finches) then bring them to the end of the stage to continue.
It is unclear where the typo in the game name comes from exactly, but that's the title this version it is known under.