called "SpO2 assistant 31 free" unless it is a publicly documented, legitimate open-source or freely distributed tool — and even then, I can only describe where you might find it or how to use it safely.
appears to refer to a free version of a SpO2 (oxygen saturation) monitoring app or device companion named “Spo2 Assistant 31.” Below is a concise, practical article describing what such a product likely is, how it’s used, benefits and limitations, privacy and safety considerations, and tips for users. spo2 assistant 31 free