Broken Bulb is a free puzzle game for Android developed by SPRINGMARU. The game's objective is to connect all the bulbs to a battery by rotating blocks to connect the wires. The game offers various board sizes, from 25 to 81 blocks, to increase the difficulty level.

The gameplay is simple and easy to understand. Players need to click on the blocks to rotate them and connect the wires properly. The game is challenging, and players need to use their problem-solving skills to connect all the bulbs. The game has a clean and straightforward design, making it easy to navigate.

Overall, Broken Bulb is an enjoyable game for puzzle game lovers. It offers a good range of difficulty levels and is perfect for players who like to use their brains to solve puzzles. The game's simple design and gameplay make it accessible to all age groups.