The app let you manually play the Monty Hall Problem to experience it. Your choice of doors and results will be saved and shown in a table. Based on these statistics, the winning rate of the two strategies, either switching or sticking at the initial door, will calculated and updated each time a new game is played. You can also auto simulate the puzzle to increase total number of games played to generate more reliable probabilities. Each instance of simulation will be displayed. You may choose between always-stick and always-switch for the simulation. Turbo mode will let you to simulate in a much faster speed.