There is no justification for the complexity caused by segregation of components and templates into "Application" and "Platform" sub-types. The methods for discovering a template, figuring out whether that template describes a services that will meet your requirements, indicating that your application will make use of the service described by that template, indicating that your application is using a service, etc. do not vary between "Application" things and "Platform" things. At present, the only purpose of the Application/Platform distinction is to indicate the provenance of a component/template. If such an indication is necessary, it can be provided by some other mechanism such as an attribute (e.g.

)