VOAR is not a standard term. I suspect you meant (the Android networking library) + Gson together. If so, keep reading – the next section shows exactly how to pair them.
For developers, refers to an open-source Java library developed by Google. It is used to convert Java Objects into their JSON representation (serialization) and vice versa (deserialization). Key Features Gson - Google gson - voar download
https://repo1.maven.org/maven2/com/google/code/gson/gson/2.10.1/gson-2.10.1.jar VOAR is not a standard term