To access these awesome options, you'll need to enable them first. Go to your phone's Settings, then scroll down to About phone. Tap on Build number a few times, and you'll get a notification that says you're now a developer! That's it, you're in!
Now that you're in, you can start exploring all the cool features and settings. You can adjust things like animation scales, enable USB debugging, and even simulate different network conditions. It's like having a superpower to customize your phone to your heart's content!