Cow vs Bull app for iPhone and iPad

Bulls and Cows Game is also known as MasterMind. Player selects a four digit number, all four digits are different.
The Guesser tries to guess the answer in the fewest number of turns.
Play by entering your guess on the right side and click "Enter" to validate your entry.
Bulls = correct code, correct position.
Cows = correct code, wrong position.
Four bulls - the whole number is correct.
In our application when you click on Start botton you will start playing game,
When you click on Help botton , the Tv will show the logic of the game
Finally when you click on Score botton , you will see the best score