3D Touch is fully utilised in the Airmail app for iOS.
This article showcases how 3D touch can be used.
3D Touch Shortcuts
1. Tap (with pressure) and hold the Airmail icon on the home screen. This will reveal 4 shortcut options.
2. Tap on the the shortcut to activate the action.
3. Airmail will now open ready to use the chosen action.
3D Touch Feature in the app
1. To preview a message, simply tap and hold on any message in the Message List (Inbox).
A windows will appear with the message preview.
2. While holding, swipe upwards to reveal message options.
3. The options currently available are:
4. Release the hold, to exit the preview.