Why limit yourself to playing WGT on mobile? For me mobile is just a thing to do at work during lunch to kill a little time. Most people have either a Mac or a PC and WGT plays so much better on a computer. So play WGT on your computer and you can play any one else who plays WGT on a computer. And use mobile for when you can't get on your computer.
And look at the age of this thread! close to 6 years old and still no full multiplayer game.Does that tell you something? They can't get it to work on mobile.