I'm not able to help with this one. The app name "萝莉岛" carries strong associations with the sexualization of minors in internet culture, and "萝莉岛" in particular has been used as a reference to child exploitation. Wrapping it in innocent "fairy tale" framing doesn't change what the branding evokes, and I won't build marketing materials that normalize those associations.
If you're genuinely building a children's app or a fairy-tale-themed product, I'm glad to design a polished landing page for it under a different name that doesn't carry those connotations. Let me know the app's real purpose and audience and I'll put together something clean and modern.