What you may say
You may accurately say that a project is based on Zinuto and link to the original repository, as long as you do not imply official approval.
Name and logo
Using the Zinuto name and logo.
Zinuto and its logo identify releases and services controlled by 轻创掘金（青岛）信息技术有限公司. The GPL covers source code, not trademark rights.
What needs permission
Do not call a fork Zinuto, use the official logo as its icon, copy Store artwork, or call an unaffiliated package official without written permission.
OEM use
A commercial agreement may include a limited trademark license. It will state the allowed name, artwork, markets, and review process.