FaceCheck ID - Image Finder is an Android application developed by calvinteq, falling under the Utilities & Tools category. The app allows users to upload a photo of a person and discover their social media profiles. By utilizing the Face Search Engine Photo Scanner, the app scans its image database to provide any matching results for the uploaded photo. Users can also search for and remove their own photos for free. The process involves uploading the image to the Face Check search engine, waiting for the results, selecting the matching social media profile, and being redirected to the user's profile page on various social media platforms.