We are an open-source company and you can see our code and see how we connect to the RoboRoach.
For example on how to connect and control RoboRoach please take a look at our iPhone application code in Objective C. Especially this class:
https://github.com/BackyardBrains/RoboRoach/blob/master/Software/iOS/RoboRoach/BYBRoboRoachManager.h
https://github.com/BackyardBrains/RoboRoach/blob/master/Software/iOS/RoboRoach/BYBRoboRoachManager.m
Or this Java code for Android:
In the code you can see UUIDs of services and characteristics of RoboRoach Bluetooth LE and details on values of parameters.