This app is the Android app part for the Connecting Arduino Board to Android Phone tutorial that can be found by clicking the link.

It is an open source project, and the full information on how to create this app can be found in this page: https://medium.com/swlh/create-custom-android-app-to-control-arduino-board-using-bluetooth-ff878e998aa8


For more information, please visit Droiduino.cc's Blog