You don't find entei in there the only way to get entei is finding it in the wild and yeah you can find it its like latios and latias in emrald they r teloporting all over kanto wen you go inside the legendary dogs will teloport again **pick squirtel find raico** **pick bulbasoar findfind entei** … Read more

I don't know how to get mew but on dimond and the other game like it you can do mystery gift and go to the pokemart in the fight area there will be a dude in   green clouths and he will give you a rigigiggas in a cherish ball lvl 100