In Android code lies with a dozen of features that the developers have in store for future versions of the OS. It is known about night mode and dark theme.
Reddit Users found one more interesting possibility. One of the future versions of the Green robot will allow you to create screenshots of the screen.
The Feature is already activated on a third-party firmware. You need to hold the power key and the volume down and touch the device screen. The screenshot is automatically saved immediately after the user selects desired location and lift your finger.
As often happens with "chips" of Android, take a screenshot of selected area know how long sheath from other manufacturers. "Naked" Green robot for years was limited only to snapshots of the entire screen.