1 When you are hesitant to make a choice, it is helpful to you; 2 It can freely edit the item, color and percentage (accurate to 0.1%); 3 It can simulate the lottery; 4 It can simulate rotating gyroscope; 5 It can store up to 500 turntables; 6 Swipe the wheel or press on the center to make the turntable spin up; 7 No advertising or paid items.