This game have some more flaws. 1). I could be wrong, but it seems like enemy's Pokemons don't have any A.I. They use moves completely at random. 2). In first two cities NPC walk a little bit (patrolling small areas), in all other cities NPC standing still. 3). Not only trainer's overworld sprites doesn't match with battling sprites, but some times you may encounter invisible trainers. I think developers made that all overworld sprites match with battling, but then a giant glitch happens and all overworld sprites become a mess. For example at the end of the S.S. Anne stands regular guy, but in an ordinary house in Vermilion City stands a captain.
Also music can sound different on real Famiclones.
Bad English