A free program for Android, by Kodansha Ltd..
This is an application that lets you talk to the robot ATOM for free. Accessing the Internet is necessary for using this application, and there is a ton of information you can peruse, such as vacation details, recipes, or even bargain sales. Moreover, you can simply talk to the AI for free and enjoy its company.
You can hold a conversation in multiple ways, by text or speech input. Whichever way you choose will yield fun and interesting results, so try the both of them out!
You can download and install this application on any compatible Android device.