Sudoku is an Android app developed by Jamie McDonald (21 Telegraph Avenue, London, SE10 0TH, UK).

Sudoku first became available on 23 Dec 2012. It is estimated that Sudoku has been downloaded between 1000000 and 5000000 times from the Play Store.

Sudoku 3.1-43 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.