This is a classic physical game.It is very popular in the PC, I believe, will be the same on the phone.You need accuracy, speed, wisdom to achieve the victory.Tips:1.The goal of filler is to fill up2/3 of the screen while avoiding the bouncing balls.2.Press down your finger to create a filler ball. It will continue to grow until......you release the finger....you run into a filler ball....you run into a bouncy ball.3.You get a limited number of both lives and balls each round. If you run out balls, each new ball will cost you a life.4.At the end of each level,you will earn bonuses for:*Filling more than 2/3 of the level.*Number of lives remaining.*Balls remaining.