Sudoku Vision 4.4

Hi!

Sudoku Vision 4.4 is available on Google Play : Sudoku Vision

Here are the recent changes of this version :

• New strategies for level 8: Inference Chain type 3, type 4 and type 5
• Allow to give the solution for 100% of all Sudokus without identifying strategies 
• Allow to give the solution for 99.9999999999% of all Sudokus by identifying strategies
• Give response time to identify strategies
• Performance improvement for level 8
• Robustness improvement
• Work well on Android 4.1.1 (Jellybean)

Here is the general description of Sudoku Vision 4.4 :

1. Capture a Sudoku using the camera of your phone

• Place the Sudoku at any angle from 0° to 360°
• See each step to find grid and numbers in the photo
• Ask to evaluate the difficult level of the Sudoku just captured

2. See augmented reality in action

• Just show a Sudoku to Sudoku Vision and you will see the solution, no photo to take and no button to press
• Just show a Sudoku to Sudoku Vision and you will capture the digits, no photo to take and no button to press
• Place the Sudoku at any angle from 0° to 360°
• Ask to evaluate the difficult level of the Sudoku just captured

3. Generate a Sudoku

• Ask for a difficulty level from "1. Very very easy" to '8. Diabolic chains"
• Many strategies supported(*)
• Instantaneous generation
• Unlimited new Sudokus
• No Internet connection is required

4. Get help for the solution

• Show pencil marks with manual or automatic mode
• Ask for hints that teach if you are stuck
• Ask for a solution, even for the most difficult Sudoku
• Ask if they are more than one solution
• View step by step the explicative road toward the solution(*)

5. Save and open Sudoku

• The Sudoku itself
• The photo of the Sudoku

6. Very interesting advantages

• Free
• No Internet connection
• No ad
• Large phones support at full screen
• From small(for example your Android watch) to large and very large screen support at full screen
• The application can be moved to external memory (APP2SD)

(*) Strategies supported (more coming in the next version) :

• Naked single
• Hidden single
• Pointing/claiming
• Naked twin
• Hidden twin
• Naked triplet
• Hidden triplet
• Naked quadruplet
• Hidden quadruplet
• X-Wing
• XY-Wing
• XYZ-Wing
• W-Wing
• Swordfish
• Jellyfish
• Uniqueness type 1 to 6
• Uniqueness type x
• Uniqueness hidden rectangle
• Bug type 1
• Bug type 2
• Bug type x
• Avoidable rectangle type 1 to 3
• Avoidable rectangle x
• Turbot
• X-Chain
• XY-Chain
• Inference chain type 1 to 5

Here are the strategies by level :

Level	Strategy
1. Very very easy	Naked single
2. Very easy	Hidden single
3. Easy	Pointing/claiming
4. Medium	Naked twin
	Hidden twin
5. Difficult	Naked triplet
	Hidden triplet
6. Very difficult	Naked quadruplet
	Avoidable rectangle 1
	Avoidable rectangle 2
	Avoidable rectangle 3
	Avoidable rectangle x
	X-Wing
	XY-Wing
	XYZ-Wing
	W-Wing
	Bug type 1
	Uniqueness type 1
7. Very very difficult	Uniqueness type 2
	Uniqueness type 3
	Uniqueness type 4
	Uniqueness type 5
	Uniqueness type 6
	Uniqueness type x
	Uniqueness hidden rectangle
	Hidden quadruplet
	Swordfish
	Jellyfish
	Bug type 2
	Bug type x
8. Diabolic chains	Turbot
	X-Chain
	XY-Chain
	Inference chain type 1
	Inference chain type 2
	Inference chain type 3
	Inference chain type 4
	Inference chain type 5