Coloring 999 - Color by Number

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3.4
minor fix.

3.3
Some design adjustments.

3.2
Small fix.
Enjoy Coloring 999.

3.1
Enabled to change the puzzle list to 2-column or 3-column display.

2.3
Minor fix.

2.2
Reduced the size of the app.

2.1
Added 101 coloring pictures.
There are categories in which the completion rate (%) is decreasing because of added coloring pictures.

2.0
Added background color change function.

1.2
Add effects when coloring.
Change the position of the reset button to the top.