Now, when you finish creating a map in map creater, it will ask you if you want to see your map, or add Pokemon to it. If you click the add Pokemon, you can add up to 10 pokemon in any of the maps you've made, and when you go to your map they will appear. They only thing is, adding Pokemon costs $50000 (game money ofcourse). But, It's just beating that gym that gives you $5000 10 times. Not THAT hard, right?
Oh i forgot to mention, you can't choose legends. Sorry.





