It shows more perspective, for example the sign is slanted like we’re seeing it slightly from the side, and there’s some shading. They’re good changes.
I honestly couldn’t tell. They’re both terrible. I mistook it as two panels of a comic. But a closer look the second does show more… details? layers? shading? better scene construction? It’s gotten better. You’ll have to learn how to draw pony faces next. It will help. Keep on trying!