Blue Tac + hand lens = Macro attachment.
This opens up some possibilities. Is this self explanatory? Center the lens over the cell phone camera. Shoot.
Above is a photo of the Lightning connector of an iPhone. Did you know that the reason this is so expensive is that Apple has incorporated a chip to change pinouts based on which way this either-way connector is plugged in?
Below is a photo of the lens with blue-tac.