You definitely right. Not all the applications have been ported to Raspi yet. We are not going to do porting of GUI applications such as SCADA-Administrator. The idea is to make possible to perform configuration using web in the future.
At the current time you should configure your system using Windows, then copy the settings to Raspberry. Is it possible for you? You need to copy files from the following directories:
It would be wondering if you share you experience and issues of using Rapid SCADA on Raspberry Pi.