Flashback is an Ubuntu Touch Entertainment application
Flashback is hosted on a PPA for Ubuntu 14.04 through which one can install and receive updates on the desktop.
sudo add-apt-repository ppa:ubuntu-touch-community-dev/ppa
sudo apt-get update
sudo apt-get install flashback
Flashback is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version