The traditional Tic Tac Toe game, ad free for the paid version, with options to choose X or O, start or go second
and to have sound effects or not.
A fully featured trial version available supported by ads.
Additionally you can choose levels - strong (the best you can do is get a tie) or weak (you will have chances to win) and if you want to see what the game thinks is the best move there is a "Hint" button you can tap.
18th June 2014
Update NuGet packages. Make tile background transparent.