I am confused about difference between 7dpi and 96dpi 

If I use 7dpi asset in game, will it run or not 

1 hour ago, KARTHI said:

am confused about difference between 7dpi and 96dpi 

Dpi is a real world scale. It is Dots Per Inch. So if you print out a 7dpi image it will print 7 dots per inch. Pixels per inch/ Ppi is more used in modern terms.

1 hour ago, KARTHI said:

If I use 7dpi asset in game, will it run or not 

Nothing will happen.

Games run with resolution, for example 1920 * 1080 should be mid range now. This will be regardless of the physical size or the ppi of the screen. By default your graphics software should set dpi to your screen size but it doesn't matter.

if a mobile has a 300 ppi, it means that it could fit a 300*300 pixel image into a single inch of the screen without removing pixels.

Computer and TV screens have a large dpi because we are so far from them that we wouldn't see the extra pixels if they where in there.