Google launch a new Gmail Android app. This update can help Android 4.1+ device users to save time on the actions. While using Gmail on Android 4.1+ device, this update allow users to reply or archive message right from notifications with one quick tap and to customize messages. The update improves faster search and search suggestions so users can find messages quickly. For Android phone users with Android 4.0 will also receive a Gmail update, which brings performance improvements.
GSMArc: List of Android 4.1 phones