Luxi For All is a diffusion dome attachment for your mobile device's front-facing camera. When paired with the Luxi app (currently available on iOS and Android), Luxi For All will help you determine the best settings for your DSLR or other camera, so you can take perfectly exposed pictures.
Luxi For All works with nearly all smartphones and tablets, including:
iPhone (all models, including iPhones 6/s and 6/s Plus)
Android phones & tablets which have a front-facing camera
Even works on phones with cases less than 1/2" in thickness
Kickstarter project that had 5220 Backers and $100,921 Raised
Kickstarter V2 project that had 2605 Backers and $62,409 Raised