Drop 4 is a puzzle game developed by Bonehead Productions for Android devices. The game's objective is to get four pieces in a row in any direction. It's a simple concept, but don't be fooled - Drop 4 is a challenging game that will keep you engaged for hours on end.

The game comes with several features that make it stand out from other puzzle games. You can customize the colors and board size to your liking, and there are several skill levels to choose from. The game also has a "shake to reset" feature, which allows you to quickly start a new game. The graphics are of high quality and the sound effects are pleasing to the ear.

Overall, Drop 4 is an enjoyable puzzle game that is easy to learn but difficult to master. If you're a fan of puzzle games, this is definitely one to try out.