That looks much better!
You’re going to need to loop through all of the rows and set the background color based on whether or not the row is matches the one the user clicked. It’s not the easiest thing to set up and it requires using the Any Component blocks.
I’ll see if I can find an example for you on the forums.
Edit: this is a good example that you can tweak for your needs: Cloud based To Do list, part 1