The TOSCA substitute mappings is an important features TOSCA provides which for many users not quite obvious to use. We will talk about what is TOSCA substitution mappings with use cases demonstrating how a web server and database node can be substituted at runtime when orchestrating web application in cloud. Also, during the Newton cycle many new important features are in progress or already added into OpenStack TOSCA Parser and Heat Translator projects. Some of these features are new concepts like translation of TOSCA template to multiple Heat Orchestration Templates (HOT) and Translation As A Service. We will provide an overview of these important features with auto scaling use case.