For anyone looking for a great open source Sudoku app with no ads: https://play.google.com/store/apps/details?id=org.moire.opensudoku&gl=US https://play.google.

For anyone looking for a great open source Sudoku app with no ads: https://play.google.com/store/apps/details?id=org.moire.opensudoku&gl=US https://play.google.com/store/apps/details?id=org.moire.open... This looks great but I was sad to see advertisements and consider that a bell if not a whistle. I would pay a few bucks for this if it could match the features of the above with this clean visual style.