The easiest way to share your digital card is sharing it using the widget.
'Adding a widget' on android devices is either via:
Long-press on your home screen's background image and choose 'widgets'; Or
Long-press on the app's icon and choose 'widgets'
Then search for 'Haystack', long-press the widget to select it, and place it on your home screen.
Onced added, you can resize your widget based on your needs:
