Spectral Analysis with a Smartphone!

This is a great example of creative thinking and innovation – solving a difficult problem using existing, limited resources! This app uses spectral analysis from just a smartphone camera/display to analyze objects and their makeup. What do you think could be some other use cases if this app were to work as advertised, and became a platform to enable new services?

https://techcrunch.com/2017/02/02/this-app-uses-spectral-analysis-to-analyze-objects-and-their-makeup/