How to make GUI for devs and how to make Options disappear?

Help and Feedback Scripting Support
1

How do i make this GUI for Devs Only?

RobloxScreenShot20220614_004113075
RobloxScreenShot20220614_004113075853×502 175 KB

And how do i disable the Options in Top right corner?

2

This is possible by using a GroupID or assigning specific player’s permissions. For groups, take a look at this:
GroupService (roblox.com)
If you want to give access to specific players, I am pretty sure you can swap out the group id for the player id, or have a table of player IDs.