Poly Circle X is a free puzzle game available on Android devices. The game consists of different levels that require you to fill in a shape with various colored pieces. The objective is to fill in the shape without any overlapping pieces. The game is easy to understand, but the levels become increasingly challenging as you progress.

The game has a sleek and modern design that is visually appealing. The colors are vibrant, and the shapes are well-defined, making it easy to distinguish between the different pieces. The game also has a relaxing background soundtrack that adds to the overall experience.

Overall, Poly Circle X is a fun and challenging puzzle game that is perfect for anyone who enjoys a good brain teaser. The game is free to download and play, so it's definitely worth giving it a try if you're looking for a new puzzle game to play on your Android device.