The Arduino gets a Bluetooth attachment and a set of code. Then you'll need Android Meets Robots, an app that lets you pair voice recognition with any Bluetooth module.

This project incorporates communication between an Android Phone and the Arduino using Bluetooth. The basic functionality includes taking messages from an android phone, displaying them on an LCD ...

Looking for an easy way to control that Arduino powered robot you built? We just caught wind of a pair of apps for Android that look pretty handy! WiFi Bot Control and Bluetooth Bot Control. So, wh… ...

Supporting Bluetooth 4.0 a serial protocol that allows the LBM313 Bluetooth Low Energy module and Atmega328p to communicate both messages from the client which can be PC, Mac, iOS or Android to ...

An Arduino controller app (Here’s one for the iPhone and one for Android devices) An idea of what you’re trying to achieve A little technical know-how! One of the great things about the ...

To control the Arduino he’s using ArduDroid with a Bluetooth module. The app lets you trigger the various digital and analog outputs, and send and receive data.

For now, it's only possible to connect to an Arduino board through USB via an OTG cable, but joaomcgd says he plans on adding support for Bluetooth or Wi-Fi receivers in the future.