Description of Lines
Green button with arrow is responsible for - move back action. Maximum of back moves, relatively recent move, count is 10.
Three big balls on the top (right) side of, play mode, window shows what balls will appears on the next move.
First parameter takes care about count of colors that balls can have in play mode.
Second parameter is responsible for size of game field.
Third parameter shows how many of same colored balls must to be in the one line to make it disappear.