As spotted by 9to5Google, the new Gmail app features are now available to most users on both iOS and Android, but simply downloading the latest version of the app isn’t enough to enable the feature.

How to use Gmail emoji reactions on an Android device The emoji reaction will be available at the top of messages in Gmail. Here's how to use it: Open the Gmail app on your Android phone or tablet ...

How to mark messages as read in the Gmail app on Android Unlike the desktop version of Gmail, the Android app doesn't let you mark all messages as read in one go.