You can use the default Roblox ones or the built-in Brookhaven options. But when you attempt to use Roblox’s default emotes, you may get a message saying that " emotes are disabled in this experience.

This will be located on the coins counter icon in Roblox Miraculous RP. A new window will open with a text box inside of it. Copy and paste the code you want to enter into the text box.

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.