Copy messages to clipboard feature has arrived to Elllo English learning!
You can access this command from the context menu by right-clicking or long-pressing on a message bubble either on an interview or a video page. The context menu also contains the translate command.
It was a requested feature, and as always, I was happy add it to the app.
Here is a screenshot about the context menu:
I hope this will be useful for you if you want to translate the text in your custom translation service or do something else with it.