If you have way too much free time (6 minutes) while stuck in traffic or you just want to refresh your mind for a few minutes, this is the app for you.
MasterMind (aka Cows and Bulls) is a puzzle game where you have to guess a random 5-digit number.
If you know the rules already, download it here.
If not, check out the video for more details.
The source code can be downloaded from GitHub here.
