Playing learn! It is Sudoku of the series. Based on the numbers that have been placed at the start, we will fill in the numbers 1 to 9. Vertical and horizontal, will be cleared when all of the mass is filled without entering the same numbers in the block of 3x3. [Memo function] It is can the ability to enter numbers to be a candidate as a memo. Note button in the tap to switch to note mode. Difficulty four stages. Kill time and brain training, together with parent and child! Such as, you can