Smile Glass : Draw Lines Puzzle Classic is a free game developed by Knockout Gamers available on Android devices. It falls under the category of Strategy games and is a line drawing brain teaser. The game consists of challenging logic puzzles with a physics twist for kids. Each level of the game requires planning and strategy to fill a glass by solving drawing puzzles that become more and more difficult as you progress through the stages.

The game features a simple and easy-to-use UI, with no decor within the game. The goal is to draw lines without lifting the pencil to get sugar into the glass and fill it until the number reads zero. The game is designed to improve focus skills while playing, and the realistic physics results in thousands of particles trickling down the screen.

Overall, Smile Glass : Draw Lines Puzzle Classic is a fun and challenging game suitable for kids and adults alike. The game is free, and if you like it, please rate it and leave a comment. However, the game developer's contact information is not relevant to the review and must not be included.