You can access BT SPP in your Arduino code, treat it as a serial device and connect to your Edison project via Android phone with BT SPP App. This means you can control your Edison projects ...

ArcBotics' stretch goals for Sparki of $100,000, $200,000, and $300,000 would allow it to build an Android app to control Sparki via Bluetooth, a wireless data radio for communicating with other ...

He was able to get it running with an Arduino in no time so he decided to take the project a little bit further. What he ended up with is a stepper motor driver which can be controlled over Bluetooth.

The Coin Arduino-BLE kit is designed to simply that by offering a pre-rolled solution, completely with open-source software that will go up on Github in December, which is when the boards should ship.