Do you need to find all photos on device with specific person? Try this app, it performs search of device photos by face. Can be used to find person by photo or to search for lookalikes. You can see search process in real time with the ability to stop it. Found photo can be deleted if needed or shared to other apps like social networks, messengers, etc.
Photos with faces you want to search can be selected from the gallery or taken from the camera. The app then automatically detects faces, if more than one is found, you can select a specific one to search. To recognize faces machine learning technology is used, so if photo contains at least one similar or same face it will be found.