Happy Glass-challenge brain description

How to draw a line to make the glass filled up with liquid and smile again?

Engage every part of your brain to work out what’s the missing line , then use your artistic skills to draw that one part in.Try to find the best way to complete each level.

features :
* Limited time to test your creativity
* Simple, smart and fun puzzles but can be challenging too
* Lots of levels with more coming soon!
* Fun and relaxing theme that will make you kill the time