Arduino Bluetooth Controller is a free Android app developed by Argon Dev. This app allows you to remotely control any device with an Arduino board and HM-10 Bluetooth module. You can create and save complete Bluetooth commands, then send them quickly with no typing. The app is easy to use and has a professional look and feel.

One of the key features of this app is the ability to save Bluetooth commands. This means that you can create a command, save it, and then use it again later. You can also create multiple commands and save them for quick access. The app also includes a terminal, which allows you to see the data that is being sent and received.

It is important to note that Bluetooth Low Energy (BLE) scanning will only work if Location services are enabled. Additionally, you will need an Arduino board and an HM-10 Bluetooth module to use this app.

Overall, Arduino Bluetooth Controller is a great app for anyone who wants to remotely control devices with an Arduino board and HM-10 Bluetooth module. It is easy to use, has a professional look and feel, and allows you to save Bluetooth commands for quick access.