IMO the product idea is still valid. The fact is humans doctors...

IMO the product idea is still valid. The fact is humans doctors still see listening to lungs and coughs as accurate diagnostic tool. If you accept the sound is simply a waveform, there is no reason machine learning can't improve over human interpretation, as we've seen in the xray field.

But the question more fundamentally is, is this company the one to execute it? Is there any more info of the qualifications of the staff in terms of experience in machine learning and mobile applications?