My Sudoku is a free Android game developed by VietMobs that offers thousands of puzzles with various levels. Players can also create their own puzzles or import them from other sources like newspapers or Sudoku websites. The game supports an automatic solver to help players solve imported puzzles.

The game has two play modes: Normal Mode and Simple Mode, and offers six levels of difficulty: Easy, Medium, Normal, Hard, Fiendish, and Diabolical. The game also includes features like undo, redo, and draft mode, and automatically pauses and resumes the game.

Players can save their progress and play another puzzle, or add another Sudoku from any source using the "My Sudoku" feature. The game also automatically scales on large devices, eliminating the need for paper and pencil to solve Sudoku puzzles.

My Sudoku has recently added a new Simple Mode with a clearly designed interface, which can be accessed by clicking on "Menu" and selecting "Simple Mode" on the Play screen.

Overall, My Sudoku is a great choice for Sudoku enthusiasts looking for a free, customizable, and easy-to-use game on their Android devices.