Cows and Bulls

Goal:
To find the hidden word.

Unlike other apps in the market,We use words instead of numbers.
It can be played individually or between 2 people.
With the hidden word length known,guess it.

Rule:
Cow is the number of letters that are in both words and Bull is the number of letter that are not only common but at exact position

Version 1.0:
-Single player with infinite chances
-Multiplayer between two people.

Next version:
-High scores
-Bluetooth multiplayer