[Feature Request] Integrating an LED Matrix Marquee

[alinke]

Hi, I'm working on a project to integrate an LED matrix marquee with EmulationStation and RetroPie. Using the runcommand-onstart.sh and runcommand-onend.sh scripts in RetroPie, I'm able to change the LED matrix to artwork that matches the game that has been launched. That works just fine, video of that working here

https://www.youtube.com/watch?v=krdcABgy68A

I'd like to take it one step farther and also be able to change the LED matrix as the user is scrolling through games on EmulationStation (before launching a game). I do have an existing REST API ==>http://ledpixelart.com/pixelcade-api/ and just need a hook I can tie into to trigger my API based on front end scrolling events in EmulationStation. Specifically, my API would need rom name and platform name passed.

Would like to know if this is achievable and if so, any pointers where to get started would be greatly appreciated, thanks!