The hooker picks up the ball, he says some random words, then he throws it to one of the dots. The dots then attempt to catch the ball while other dots try to stop them. Then, whichever dot is successful passes the ball to another dot.
Yes... If you connect on another device than IOS, you actually see “Players in lineout” and can select the number of players: 3 / 4 / 5 / 6 / 7 (you don t see the %).