Free [Sudoku] is the player app. Free [Sudoku] is the editor app. Free [Sudoku] is the solver app.You can enjoy a free problem.Currently, the number of problem is 1420.Problem appears difficulty.You can choose a problem that was in your level.At any time, off-line, you can play.Described how to solve the Sudoku.(It has recorded more than 30 kinds.Naked Single,Naked Pairs,Naked Triples,Naked Quintuplet,Hidden Pairs,Hidden Triple,Pointing Pairs,X-Wing,XY-Wing,Y-Wing,Finned Fish,Sashimi Fish,Sword Fish,Simple Chain,XY-Chain,Remote Pairs,Locked Candidates,etc.)The problems can be solved by using how to solve.Free [Sudoku] is the editor app.A problem that was created by yourself, you can add.You can check whether the problem that was created by yourself is solvable.Free [Sudoku] is the solver app.There is a problem that has been published in newspapers and books and Web sites.You can check whether these problems are solved in yourself.At the time of application of the update it will add a new problem.(Additional problem is free.)This app uxi planning was developed.[Features of the app]Graphics and animations are not used.It is a friendly screen to eye simple.If a mistake is found,We have prepared the function of the undo and Redo.We have prepared the correct answer or confirmation can function.You can check whether the correct answer.You can describe the note of the answer candidates.You can use the pen9 color and eraser such as lines and circles write.It guides of you input.Prepared an assist function that tells us the answer candidate.Duplicate answer can be confirmed.You can use the highlight a number of answers or memo.We've prepared the commentary page of rules and how to solve.We have prepared a function to display the time it took to answer.Others, inquiry thank you from here.http://uxiplan.wix.com/sudoku/Free [Sudoku] est le joueur app. Free [Sudoku] est l'application de l'editeur. Free [Sudoku] est l'application de solveur.Vous pouvez profiter d'un probleme de droits.Actuellement, le nombre de probleme est 1420.Probleme semble difficulte.Vous pouvez choisir un probleme qui etait dans votre niveau.Libre [Sudoku] es el jugador aplicacion. Libre [Sudoku] es la aplicacion editor. Libre [Sudoku] es la aplicacion solucionador.Usted puede disfrutar de un problema libre.Actualmente, el numero de problema es 1420.Problema aparece dificultad.Se puede elegir un problema que estaba en su nivel.