What is the question? If you want to find a complete end-user interface for MySql designed for data entry, I must disappoint you: there is no such general tool, you have to write your own. The available front-ends are admin tools, although you may use them for data entry. SQLyog might have such capabilities in the distant future.
Connections made via ODBC are subject to MySql's privilege system. If a product (third party or not) connects via ODBC and the access rules don't or seemingly don't apply to it, then something is terribly wrong vith that app, or with the configuration of MySql, or worse, with MySql…