When you click on one of your friends’ names in your friends list, you should be able to see their levels in each game. It would also show you their playtime, rank, current hub title, and avatar (which is already there). Maybe even see the time since their last login. You could also run “/profile MrBee124” and it would show you their profile.
Here is a concept I whipped up! (Yes, those are my current levels, and yes, it looks terrible…)