I'm gonna give you the list of pokemon for route 202 early. I added some that aren't there in the games. but then again, this is not the game. I'm catchin a houndour btw
bidoof, Sandshrew, Zigzagoon, starly, pidgey and Shinx. Here are the rarely seen Pokemon: Houndour, Tailow, jigglypuff, bellsprout, oddish, Abra, Spearow, Sentret, Nidoran male, and Nidoran female.