That's not quite what I meant, when I said you should get rid of the NGons...cutting new vertices adds to the tricount, whereas connecting existing vertices doen't...also your texel density is quite inhomogeneous...
The colours certainly match FIFA Street, but your style is a bit plain. The artistic vision for the game was 'wonkified' like in the animated movie 'Cars'. As such, your buildings are too straight, and need some of the vertical lines tuned to be less vertical.