From the proposed description you can make certain conclusions and follow the development of the project. Now the team offers a good value for tokens.
In general, you are right, for the full understanding I would like to learn more about the team members, in order to learn about previous achievements in software development.
The reason for the lack of this information for me is not yet clear, I am waiting for a description, but for me it is more important to see the prototype of the application or test their product.