Hello,
I'm the developer of a new game: Sudoku Halloween.
It is a Sudoku with Halloween symbols.
6000 Sudoku puzzles from Easy to Expert, plus solving tools.
You can find it at Google Play:
https://play.google.com/store/apps/details?id=com.invasionsoftware.sudokuhalloween
Short promo video:
https://www.youtube.com/watch?v=KiyKoE-I-Eo&feature=youtu.be
I have also another Sudoku, "Sudoku Prime", it is a classic Sudoku Game:
https://play.google.com/store/apps/details?id=com.invasionsoftware.sudokuprime
I hope you enjoy this, I love to play Sudoku so i made this two games.
Best,
Valter M.