Place apples in a greased 2-1/2 qt. shallow baking dish. In a small bowl, combine the sugar, flour, cinnamon and salt; sprinkle over apples. Drizzle with water. In a large bowl, combine the cake mix, oats, butter, brown sugar, baking powder and baking soda. Sprinkle over apples.
Bake, uncovered, at 350° for 45-50 minutes or until apples are tender and topping is golden brown. Serve warm with ice cream. Yield: 8 servings.