From GameBrew - a wiki dedicated to Video Game Homebrew.
Sudoku Maniac is a Sudoku solver for the NDS. It was made with the C language, available in French and English.
Place numbers 1 through 9 in the board. Once resolved, there will be numbers 1 through 9 in each row, each column and each square with no repeat numbers.
Up - Solve the grid (as when pressing SOLVE)
Down - Reset the grid (as when pressing ERASE)
Left/Right - Decrease/increase the number selected
A - Confirm (when prompted)
B - Cancel (when prompted)
L - Skip the selected digit to 1
R - Skip the selected digit to 9
L+R - Skip the selected digit to 0
Too many sprites.