not good app was Looking for killer sudoku or sudoku killer whatever its called. Thought this is the one... Actually not very impressed with this app. so uninstalled it already.
Poor Was looking for killer sudoku ap but this one has no pencil marks - uninstalled within 5 min
Cannot resume a puzzle. Need to complete or start over upon return.
Allows repeated numbers in groups and no pencil marks.
Killer? Wanted killer sudoku which this offers but no option to do pencil marks. Will someone out there do a decent killer please!