What`s it about? Use your powers of logic to complete the number grid in this mobile take on the puzzle craze that`s sweeping the nation! Why`s it so good? Playing Sudoku in your daily newspaper is fine, but this slick mobile version offers fans more than mere pen and paper ever could. The weighty serving of 16 mind-melting puzzles across four increasingly thorny difficulty settings is generous indeed, yet Sudoku Master is as much about quality as quantity. A clean, intuitive interface lets you jot down temporary `notes` to yourself as well as delete mistaken entries with a single button press, forever banishing the pain of having to decipher your own illegible scrawlings. A handy Save function lets you take a break at any time and resume later, while the genuinely suicidal can relieve their frustrations by requesting a Hint - not that you`d ever cheat like that, of course... Final Verdict: A fine rendition of Sudoku on mobile, offering addicts a slick interface and amazing puzzling value.