Please read about clicker training there. It can help you enormously. Also you should not have to touch your jrt to get his attention. He should think coming to you is the best thing in the world. That is established by developing a relationship and also making it worth his while to listen to you.
Positive reinforcements are awesome.
The dog is no different. Why come to you if he is being called out. But, what if he did not know what great thing he may get by playing with mom. Try it a bit. But if he ignores you, show him the treat and too bad.