The default messages app on your Samsung phone or tablet has more to ... Next, tap the plus icon and select "Schedule Message ...

You can swipe up on both apps to arrange them from the top. Samsung Messages shows a small icon beside unread conversations with the number of new messages, but Google Messages simply bolds them ...

Samsung is working on multiple features related to app icons, and users will get more control over their device customization with One UI 7. The One UI 7 update is rumored to bring two new features.