Stars & Stripes Sudoku

Goal: fill the 9×9 grid so every row, column, and 3×3 block holds 1–9 once each. How to play: tap a cell, then tap a number (or type 1–9). Toggle Notes to pencil in candidates, Erase or Backspace to clear. Conflicts glow red. Arrow keys move; the Star skin swaps digits for star glyphs.