Hi @Az28! Really sorry for the late reply here.
@Marcus van Es32 is correct. Right now, you can only import templates via the mobile app. But this is something our product teams can consider adding in the future. You... (More)
We found a way how to import by CSV but you need to use the mobile phone for this indeed
One way around this, would be to type in your text in the question box, but change your response type to an Instruction.