Everything is easier and cheaper these days. I was very confused as to what it was until my nephews told me it was a good thing. It changes the feel of the game and makes it feel smooth. On the other hand, if you're too lazy to discover the good part of it and not fret, make sure you press the joystick down firmly on the device or it will keep moving and not enjoy using it. It is ideal for children and for those who love computer games. Disclaimer: I received this product to test in order to provide an honest and unbiased review of the product. So far, so good.