That screenshot (Screenshot_20260906_035308.jpg) looks phenomenal! The custom
REPL layout and the console interceptor colors fit the Android Chromium view
perfectly. It genuinely looks like a native DevTools panel.
Adding those two helper routines is a great idea.
To open a URL in the background, we can leverage an iframe. To implement the
peek function safely, we need to track the previously active display and use a
setTimeout, while making sure to clear any existing timeouts so rapid-fire
"peeking" doesn't cause chaotic window snapping.
Here is the updated VirtualDisplayManager class. You can completely replace
your existing class VirtualDisplayManager { ... } block with this new one.
The Updated Class


How to use them in your REPL
Now that these are integrated, you can open your REPL on your Android device
and try typing the following commands:
1. Loading a URL in the background:
DisplayManager.loadUrl('wiki', 'https://en.wikipedia.org')

(Note: Keep in mind that some major websites like Google or GitHub send
X-Frame-Options: DENY headers which prevent them from being loaded inside an
iframe on a different domain. Wikipedia and your own dev servers should work
perfectly).
2. Peeking to check if it loaded safely:
DisplayManager.peek('wiki', 4)

This will jump your screen over to Wikipedia for exactly 4 seconds, and then
seamlessly snap you right back to your default view (and your open REPL),
preventing you from getting trapped in an endless loop or a broken iframe!