It seems that Vivo is moving ever closer to releasing a tablet, rumoured to be called the Vivo Pad. Based on the leaked image, Vivo will offer the Vivo Pad with a detachable keyboard and a stylus, allowing it to double as a laptop replacement when needed.
https://www.notebookcheck.net/Vivo-Pad-Marketing-image-leaks-showcasing-detachable-keyboard-case-a-stylus-and-a-large-camera-housing.609814.0.html