QUICK ANSWER. To play Roblox on now.gg, ... you must go through the initial setup, log in, or sign up for a Roblox account. After that, you're in! ... now.gg supports sideloading Android apps.

Step 6: Open the Roblox app/page on any other device (Phone, PC, etc) and go to the Settings. Step 7: Click on Quick Log In, type the generated code, and click on Enter. Step 8: Select Confirm Login ...