A: Thanks for your question. Each project is a set of applications, all the applications that are within the same project share the same database, so generally it's recommended to use one project for each client. A clear example could be if you need to create a Taxi app, which would include the driver, the customer, and the administrator apps. These three apps would make up one project.

Regarding the hosting of the apps, it is done in your own Firebase account, so you always have control of the user data and other information.