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A hint function has been added to Sudoku Input and Solve. Currently, it supports problems up to Lv4.

A function has been added to the Sudoke Input and Solve that allows you to enter a problem pattern and create a problem that matches your preferred level.

Added description of Input and Solve Sudoku.

I'm planning to add a mode to solve by yourself the entered Sudoku to the "Sudoku Solver" app. It seems that problems published in newspapers can be solved by using the memo function of the app.