Oct 25, 2022

5.2
Update billing library.

5.0
Add 130 puzzles. (Normal:105, Big:25)
There are categories in which the completion rate (%) is decreasing because of added puzzles.

4.1
minor fix.

4.0
Add 232 puzzles.

3.2
The puzzle identification number is displayed on the puzzle list and the game screen.

3.0
Add 168 puzzles.

2.4
Added the function to change the square background color.

2.3
Added 272 puzzles.

2.1
Add 248 puzzles.

2.0
Add enlargement function to touch mode.
Add measure function.