Happy Glass 2 is an online Kids game, it's playable on all smartphones or tablets, such as iPhone, iPad, Samsung and other Apple and android system. Happy Glass 2 is an innovative version of the water drop collecting game. This time we prepared various skins for the cute cups. The cup is sad because it is empty. You can draw a line to help him recover! Use the mechanism to fill the cup with liquid and make the cup smile again! Finally, don't forget to transport the golden eggs to the end!