Tetra Master is a remake of a mini card game which can be found in Final Fantasy IX.

Changes:

– Added Wager window (cards only)
– Added ability to queue duels
– Added the feature for “Skilled” and “Random” wager skill levels
– fixed re-duel option
– removed the “free money” glitch
– back button in the card selection resumes back to the wager selection

http://forum.xda-developers.com/showthread.php?t=717274