You might look at this Face extension, testing (1). Facial recognition. Detect what makes your face
or search within https://www.google.com/search?q=app+inventor+face+recognition&rlz=1C1CHBF_enUS887US887&oq=app+inventor+face+recognition&aqs=chrome..69i57j69i60l3.8376j0j4&sourceid=chrome&ie=UTF-8 and let us know what is useful.