Forum:Questions about swap frog

If I were to take control of an opponent's monster with brain control and use swap frog's effect to return it to my hand would i get to keep it in my hand? it doesnt say to the owner's hand. Also if I use swap frog's effect do I need to be able to summon a frog during that turn or can I use its effect regardless. (since swap frog's effect to summon another monster does not happen at resolution of returning the monster to the hand) User:Lord of Amphibians