Some of these make very little sense. For example: • Google Images — Unsplash - Pexels - Simple Gallery Pro First two are stock photo sites, last one is an A

Some of these make very little sense. For example: • Google Images — Unsplash - Pexels - Simple Gallery Pro First two are stock photo sites, last one is an Android app for browsing local pictures. Google Images is a search engine for images, which is covered by the "Google Search" section anyways. Perhaps you confused Google Images with Google Photos (which is missing from the list), but even then the alternatives don't make sense.