From the main screen, scroll down until you see the share button.
You can click on the arrow to go to the details of the last measurement or directly on the share button.
By clicking on the arrow button you will navigate to the detail screen.
To continue the process press on the share button found on the top right corner.
By clicking on the share button you will navigate to the data screen.
To continue the process press on the share button found on the top right corner.
On this step you should see 2 buttons, one for instagram and a second one that says "Others".
Press Others button
A new panel with different options will be prompted with different sharing alternatives.
Press on save Image to store the latest measurement on you photo gallery.
If everything work as expected, you should be able to see a message that says, "Share success".
It means your latest measurement has been stored properly on your photo gallery.