Hi Jay

I suggest to create a Smart TV activity for your harmony remote.

The Smart TV activity will automatically launch the Smart TV home page and allow you to navigate your apps.

Below are some links that will help you further customize your harmony remote to your liking.


How to create a Harmony Activity

https://support.myharmony.com/en-us/how-to-create-a-harmony-activity


Customizing physical buttons on your remote

https://support.myharmony.com/en-us/customizing-physical-buttons-on-your-remote


Let me know if this solves your issue.