Pumping Square

A new game is coming out where you dominate the map by growing squares.

Growing a square is very easy.
Just touch the screen and hold still.
A rectangle is created around the touched point,
The generated rectangle continues to grow as long as the touch is maintained.
You can create any number of rectangles and
You can also make the created rectangle bigger.

But,
There are balls that get in your way.
You must not be detected by the ball.
If you get caught growing a square, you fail.

It's very easy.
Try it.