An example of changing the code of the game (Asphalt 8: Airborne) There is nothing special. The code numbers game has concluded with a string "%d". With the search of the code, I it is replaced with "%%", which leads to a % sign, instead of a number. This is just an example showing the possibility - practical sense it does not. If you know that on that patch, then the possibilities are limitless. But the cost of failure is very high - the wrong patch could break off or your data. That is why