Pokemon GO Feebas Spotlight Hour participants can evolve Feebas into Milotic and get Shiny Feebas by following this guide.

Pokemon GO Golett Spotlight Hour increases the wild Golett spawn rate and presents a chance to get Shiny Golett. Traversing the map during the event results in multiple Golett encounters.

You can know the Pokemon GO Spritzee Spotlight Hour time, bonus, and how to get Shiny Spritzee by following this guide.