Sudoku world offline game

THE OBJECTIVE IS TO FILL A 9X9 GRID SO THAT EACH COLUMN, EACH ROW, AND EACH OF THE NINE 3X3 BOXES (ALSO CALLED BLOCKS OR REGIONS) CONTAINS THE DIGITS FROM 1 TO 9.
A CELL IS THE SMALLEST BLOCK IN THE GAME.
A ROW , COLUMN AND REGION CONSISTS OF 9 CELLS AND THE WHOLE GAME CONSISTS OF 81 CELLS
TO MAKE IT EASIER: FROM SETTINGS>CHECK VERIFY EVERY CELL
RED CELL: MEANS THAT YOU ENTERED WRONG VALUE "IN CASE OF AUTO VERIFY"
GREEN: MEANS THAT YOU USED "MAGIC SOLVE TOOL" OR RIGHT ANSWER "IN CASE OF AUTO VERIFY"