What happened to app!! – Cool Sudoku, Jigsaw, Killer, Kakuro, Sudoku X Review

The interface is a mess. Puzzles are already filled in. Selection buttons have been reduced to an unusable size (too small to tap). User controls have been changed in unhelpful ways. Please fix.
Review by GadgetMom116 on Cool Sudoku, Jigsaw, Killer, Kakuro, Sudoku X.