Screen grab of Mastodon screen (using Megalodon for Android). The "For You" tab is circled in red, as is the "search" magnifying glass icon - The resulting data provided includes Fediverse accounts suggested for you to follow (it appears to be based on your "likes" on a post from that account.
https://hugsfile.monoceros.co.za/media_attachments/files/112/235/795/040/014/324/original/07befacc13637a3f.jpg