The GemLightbox Macro works with all smartphones, even iPhones and Android phones with multiple camera lenses. The GemLightbox app will choose the right camera to use with the built-in macro lens.
https://www.youtube.com/watch?v=nUDX7j1-vRI&list=PLFrSeQC97tpidvky_oYBBT8141Zgu-eR2&index=20