You won’t be looking for a paper puzzle ever again!With 4 difficulty levels, intuitive interface, and all the functions right at your fingertips, this Sudoku app is sure to be your favorite. Interrupted? Exit Sudoku, and the puzzle is saved exactly as you see it!Want to know how you stack up against other Sudoku players? Upload your results to our servers and see for yourself, or take part in a weekly Sudoku competition.Features: * 4 difficulty levels * 3 input modes: "Digit first", "Cell first", popup * Pencil marks (a.k.a. Notes) with auto fill / erase option * Selected digit and various other highlighting options * Show digit counts option * Auto-save * Unlimited Undo and Redo * Intelligent hints that use only logic * Two levels of automatic error checking option * Submit results and track progress online * Top scores and History * Real time competitionsSudoku supports trackball, touch screen, keyboard.Please contact our support team at sudoku@genina.com if you have any questions, comments, or suggestions about improving this Sudoku app.Like us on Facebook:https://www.facebook.com/Genina-135806803144543Follow us on Twitter:@GeninaDotComOr visit us online:http://www.genina.com/apps/sudoku/Enjoy! 你会不会寻找一个纸拼图以后再！随着4个难度级别，直观的界面，并在您的指尖所有的功能，这个应用程序数独肯定是你的最爱。中断？退出数独，而让人不解的是保存的完全一样，你看看吧！想知道你是怎么叠起来与其他玩家数独？上传结果到我们的服务器，并看到自己，或者在每周一次的数独比赛的一部分。特征： * 4个难度级别 * 3输入模式：“数字第一”，“细胞第一”，弹出 *铅笔标记（亦称债券）与自动填充/擦除选项 *选择的数字和其他各种高亮选项 *显示数字计数选项 *自动保存 *无限撤消和重做 仅使用逻辑*智能提示 *自动错误检查选项的两个级别 *提交结果和在线跟踪进度 *最高得分和历史 *实时比赛数独支持轨迹球，触摸屏，键盘。请联系我们的支持团队sudoku@genina.com如果您有任何疑问，意见或改进这个数独的应用程序的建议。像我们在Facebook上：https://www.facebook.com/Genina-135806803144543在推特上关注我们：@GeninaDotCom或者访问我们的网站：http://www.genina.com/apps/sudoku/享受！