There are some glasses and some hard stones also.
Game play is to break all the glasses with soft stone and not to be broken by hard stones.
To change the direction of soft stone slide on screen to draw a wall.
You can draw any number of walls but in total wall length has a limit.
There is a limit of time also.
This is a level game and in each level you will get different total wall length and time, so draw wisely.
Each level is a unique and interesting experience.
Play and Enjoy.