Bubble Sort is a free puzzle game developed by NRS Magic LTD for Android. The game consists of sorting bubbles until there is only one color in each tube. The objective of the game is simple, but it can be challenging as you progress through the levels.

The game has a colorful and visually appealing interface that makes it easy to navigate. The controls are intuitive and responsive, making it easy to play. The game is divided into levels, and each level has a different layout and number of bubbles to sort. As you progress through the levels, the difficulty increases.

Overall, Bubble Sort is a fun and addictive puzzle game that will keep you entertained for hours. It is a great way to pass the time and challenge your problem-solving skills. If you are looking for a simple yet challenging puzzle game, then Bubble Sort is definitely worth checking out.