How do I use Quick Start-up?

By default, Quick Launch is not supported under the standard button mode.To enable quick access via hardware buttons, go to Watch > Settings > Accessibility > Button Mode and turn off.

Once enabled, you can quickly open apps using button shortcuts. You can customize which app is launched by going to Settings > Preferences > Quick Launch App.

Triggering methods:

Press and hold the upper button.

Press the lower button.