It's an https://github.com/SL-RU/RaspiBluePlayer rewritten in c++
Bluetooth music and audiobooks player app for Raspberry PI.
Player based on Raspberry Pi A+. With internal 2200mA*h li-pol battery, bluetooth module, DC-DC convertor(from li-pol to 5V), keyboard with nine buttons, two leds, and 3 usb ports for connecting external devices. As lcd cheap i2c 0.96" 128x64 OLED display from ebay.
cd ./ardupi_oled sudo make #make oled lcd library cd .. make #make this project