I recently bought a used MX-890 and have programmed most of what I want on the device but have run into a block when I try to add buttons for Netflix and other apps available on the smart TV.

I have created a Smart TV device and activity on the remote. On the Smart TV device page, I have added buttons for Netflix, Amazon Prime Video, Pandora and Sirius. All of these apps are accessible using the LG Magic Remote that came with my TV.

I am stuck at this point. I have no idea how to program the buttons on my MX-890 to access the corresponding app on my LG Smart TV. I suspect that the process is simple but I have been unable to find any instructions on how to do this.

Any suggestions?