I’ve started working on a version of the Impress Remote for Firefox OS. It currently only supports using TCP (i.e. Wifi or wired network), I’m going to start working on adding Bluetooth support once I get hold of some suitable hardware, probably later this month.
Most of the backend has been done, and a basic app exists:
I’m now starting to work on a proper User Interface which will be based on that of the Android Impress Remote.