Interesting looks a lot like SolARcore that I showed to Google Core AR team. Here is a link to the APK download: https://drive.google.com/open?id=0B074uYMTy0fealRabnMtY0EwVkk

Interesting looks a lot like SolARcore that I showed to Google Core AR team. Here is a link to the APK download: https://drive.google.com/open?id=0B074uYMTy0fealRabnMtY0EwVkk

Even though I agree with your assessment, it is very difficult to measure productivity.