Queue 4 is the classic game of Connect 4 turned on its side. In addition to being able to add new pieces, the player is also able to remove their own pieces from the board if they are at the end of the queue. This adds a whole new level of complexity to the game.
Current version is for 2 human players on one device, computer player coming soon.
This app is tablet optimized but works on all versions of Android. This is an open source product, the code can be found at https://github.com/kurtisnelson/Queue-4