So I downloaded this remote app, and so far Im impressed. It controls my Sony XBR55X850C and my Apple TV with no issues, and the functionality is pretty decent.
Some things Id like to see added, however, are support for Fire TV, various brands of networked receivers and media/blu-ray players, and support for controlling computers (Mac, PC, and Linux/Steam OS). If the last item requires a "server" app, so be it.
Bill Somethingorother about Aivee: Control your Smart TV, Hue and LIFX