What is the Handwrite Sudoku game, how does it work?

According to the introduction of SwanApps, Handwrite Sudoku is a Puzzle game on the Android platform. There is currently a 1.029 version released on Feb 26, 2015, you can see the details below.

Sudoku with Handwriting Recognition is the most original number place puzzle game in its class. You can write your own numbers with your finger and the game will recognize and place them in the grid, so it feels like playing a real sudoku on paper!

Unlimited puzzles with true Sudoku games for 6 difficulty levels based on the complexity of the solving techniques you need to use to complete each game. No guessing, no multiple solutions, pure logic to challenge your brain!

This Sudoku will look and feel like playing a real sudoku on paper but we still offer the cool features you would expect on a phone game; unlimited puzzles, undo, help on annotations, multiple skins, timer, statistics, save and back to checkpoints, solve game, check game correction... this game may look simple at first look but we are convinced it is the most complete one in its category.

Check the comprehensive Sudoku Help section and the YouTube tutorial included in the app to make the best of the handwriting recognition!

He have also included a Strategy Tutorial that will help beginners and not that beginners in learning the amazing logic behind this apparently simple game.

Free game, supported by unobtrusive Ads.

What's new in version 1.029 v1.029
Added "Menu", "Undo" and "Check Puzzle" buttons to the main screen.

v1.028
- Fixed the issue with the menu button for new tablets.(I need to retire my old galaxy tab1 and get something a little bit less obsolete)

v1.027
- Reduced significantly the application size
- More maps!

v1.026
- Even further improvements in the handwriting recognition.

v1.025
- New maps
- The recognition of number 1 has been enhanced a lot and a new learning algorithm has been added for the first time.