Runedoku solver
This app is also integrated in the Alt1 toolkit.

About Rogue Trader (Runedoku)

Runedoku is a minigame that rewards you with runes for completing sudoku puzzles. This can be very useful for ironman accounts as it is a way to get any rune with very low requirements.

Guide

To use this solver simply make a screenshot of the puzzle, then click the app and press ctrl+v. The solution will be displayed instantly.