Apps like Pixel Football Art Sandbox and

Here are some great alternatives to Pixel Football Art Sandbox and by IncuvationLabsLLC :
Pixel Coloring-Color by number
Pixel Coloring-Color by number
★4.6
Sandbox - Pixel Art Coloring
Sandbox - Pixel Art Coloring
★4.6
Pixel Art - Color by the Block
Pixel Art - Color by the Block
★4.3
Pixel Art Color by number Game
Pixel Art Color by number Game
★4.7
Pixel art - Color by number
Pixel art - Color by number
★5.0
Coloring number game
Coloring number game
★4.0
Flowers Color by Number
Flowers Color by Number
★4.6
Draw Color by Number
Draw Color by Number
★4.6
Painting Pixels by Numbers
Painting Pixels by Numbers
★4.2
Flag Pixel Art Color by Number
Flag Pixel Art Color by Number
★4.6
Pixel Art Book-Color By Number
Pixel Art Book-Color By Number
★4.2
Food Logo Pixel Art Coloring
Food Logo Pixel Art Coloring
★4.5
Football Color By Number
Football Color By Number
★4.9
Pixel Art book・Color by number
Pixel Art book・Color by number
★4.6
Cars Pixel Art Color by Number
Cars Pixel Art Color by Number
★4.6
Color by Number：Coloring Games
Color by Number：Coloring Games
★4.6