Combine orange juice, curry powder, chicken bouillon, ginger, cinnamon, and salt in a slow cooker. Stir in the apple, onion, garlic, raisins, and coconut. Place pork cubes in the sauce.
Whisk together the water and potato starch in a small bowl until there are no lumps; stir into slow cooker.
Cover; cook on Low until pork is very tender, 5 to 6 hours.
