how the hell do i change a shortcut button function on my remote on MXQ PRO

[hullstorage]

Hi all
unfortunately my supplier does understand and does not want to understand !!

So I have the remote on attached image of my remote that cam with MXQ PRO box.

I am trying to change the function of the button that is circled on the picture.

The button currently opens the Kodi but I want it to open something a different app?

Any ideas please

 

[Nigelar]

You might want to look at this article droidbox wrote about a key mapping app and see if it works for you
https://droidbox.co.uk/how-to/remapping-remote-control-buttons-in-android/