When it says 'Profile Picture', the little icon of the Avatar is pointed at. As can be see in the Twitter video, it shows that users can go to the Avatar editor right next to 'Customize' and 'Shop ...

Roblox apparently has done this for some desktop users via its icons. As you’ll see in the tweet below, the game has changed the icons for the player and studio programs.

Roblox has come a long way and offers millions of games now. The developers are working hard to bring in new features every day, and the most recent one lets users change their profile picture.