Sudoku by Brainium is the #1 classic Sudoku game you know and love for your Kindle Fire devices, phones, and tablets, and the best way to learn and improve your skills in this classic puzzle game. This paid version of our sudoku has NO advertisements. With our Sudoku app, not only will you play a beautiful user-friendly Sudoku, but you’ll have access to the world’s most friendly and complete mobile Sudoku learning system. With every puzzle, our “Hint” button can teach you the techniques you need to make progress. The instructions are easy to understand and unique for every puzzle with helpful animations, and colorful visuals. The hints don’t just give you the answer, they help you learn “why” the answer is what it is. This feature will help you learn all the techniques you need to solve Sudoku puzzles whether you’re a complete novice playing your first game, all the way to the expert difficulty. Enjoy a clear, easy to read and customizable Sudoku board with visual guides that make glancing at the possibilities a breeze. Our input system is designed to make entering solutions and notes magically simple and our friendly scoring system allows you to compete with yourself or your friends regardless of skill level. Sudoku by Brainium is the most beautiful, learnable, and user-friendly Sudoku game you've ever played before. We hope you enjoy Sudoku by Brainium, and please contact our five star support if you have any questions :-) For the latest exciting news and updates on Brainium games: LIKE us on Facebook http://www.facebook.com/BrainiumStudios Follow us on Twitter @BrainiumStudios Or visit us at: http://www.BrainiumStudios.com Thanks for playing!