Why is f.lux struggling so hard to get on iOS, a platform that clearly doesn't want them, when they still haven't released a version for Android, which is significantly more friendly and, IIRC, has a larger user base?
My understanding is that an Android version would have to require a rooted phone to really do everything properly, which is a significant limitation, but rooting your phone is completely Google-approved and there are plenty of apps in the Android app store that openly require it. If (not unreasonably) f.lux is really concerned about reaching users who aren't savvy or interested enough to root their phones, then a root-only version would be an ideal test case to encourage Google to open up the API.
My understanding is that an Android version would have to require a rooted phone to really do everything properly, which is a significant limitation, but rooting your phone is completely Google-approved and there are plenty of apps in the Android app store that openly require it. If (not unreasonably) f.lux is really concerned about reaching users who aren't savvy or interested enough to root their phones, then a root-only version would be an ideal test case to encourage Google to open up the API.