The only flux-like app on Android I know of is Twilight[0]. I've been using it for longer that I can remember and I have no complains.
[0] https://play.google.com/store/apps/details?id=com.urbandroid...
[0] https://play.google.com/store/apps/details?id=com.urbandroid...
[0] https://play.google.com/store/apps/details?id=eu.chainfire.l...