Hi,
I know it's an old thread but I have not found a way to write direct mail to the topic starter.
Looks like I have similar issue with LG TV 2014 (+ regular IR remote from LG) with turned ON HDMI CEC and MIBOX tv box.
I've tried to repeat all the steps but I can't get positive result.
I don't know why but it looks when I run remotecfg ... additional colored buttons on the LG remote don't start working.
Do you happen to have any idea how to check what's going on?
I've tested (but getting raw HDMI CEC codes) that the colored buttons work and send the codes in HDMI CEC mode to Android (ATV 7.1.2).
I just don't know how to make them work from Android side 
