game graphics does not worked in bluestacks

game worked in unity 5.3.2f1 but not worked in bluestacks properly just music and coins worked player graphics and enemies does not working. game screen black in bluestacks everything does not show instead of coins what is this problem ?

It is because of the resolution and the screen size. Different devices have different resolutions and screen sizes. When you play in unity did you try playing it in full screen?Did everything fir properly? You must adjust your game such that it fits on every screen sizes regardless of the device used. You must work with different ascpect ratios and test it .
check this >Setting up Unity3D for multiple resolutions - YouTube for more details