Plus, if not done so already, make sure that you have read the support pages on it as it describes how to do it perfectly.
https://support.wix.com/en/article/corvid-tutorial-displaying-elements-in-mobile-only
https://support.wix.com/en/article/corvid-writing-code-that-only-runs-on-mobile-devices
https://www.wix.com/corvid/reference/draft/wix-window.html#formFactor