First, you will have to use your fingers to use the controller to select the ROBLOX app. Press

to open the app (which is located to the right of the

). Once it has opened, you will see the title. You will see below that title telling you to "Press

to Begin." Do as it says and press

on your controller. Then you should be on the main screen. Press

, then press

two times onto the "GAMES" section. Once you have done that, use

to select one of the games you can play. Selected one? Good. Now you should be on that Game menu screen showing you the thumbnail, the title, and the description. The Play button should be selected by default, if not: Navigate your selection hitbox with the

to the Play button. Then press

to open it. It then should be loaded. Once you are in, do whatever you want while you're inside the game. When you are done, press the

on your controller, which is located under the

button, to the right of the

button, and above the

. Then, navigate your selection box to the bottom symbol, it has a box with a right arrow going out of it, then it should say "Leave Game" on it. Then, press it with the

button. There should be a sentence asking you "Are you sure you want to leave the game?" Press Leave with the

button. And then, you should have your Achievement unlocked, you will know this with the notification on the bottom of your screen.