Where can we find tests of PiEEG as for instance those of Robert Oostenfeld who listed the issues of OpenBCI Cyton?

Is PiEEG buggy? The only proof of function we know for PiEEG is this the «Control robot toy by a mind (with blinking) via RaspberryPi and shield PIEEG» demo on YouTube released 2 years ago on the YouTube channel of PiEEG developer Ildar Rakhmatulin: Instead of a toy mouse, you can connect whatever you want. …