Yes, but there hasn't been anything open source since the release of the device in 2016. There were a lot of people starting DIY Pokemon GO plus device, but all

Yes, but there hasn't been anything open source since the release of the device in 2016. There were a lot of people starting DIY Pokemon GO plus device, but all of them were stumped by the certification protocol. Now we can build a clone using anything that supports emulating a BLE peripheral (Pi Zero W, ESP32, etc)