Angry Birds, Cut the Rope, and Fruit Ninja are provided as examples of strong apps due to their simple yet engaging gameplay, low price points, and mass commercial success in the case of Angry Birds which has sold over half a billion copies. While each app has a different objective, such as popping balloons in Cut the Rope or slicing fruit in Fruit Ninja, they are united in providing colorful, affordable entertainment that can be enjoyed alone or with friends in the case of Fruit Ninja's multiplayer mode.