This is actually a genius way to teach basic vocabulary. Why have more game developers not explored the possibility of there being a market for language learning video games aimed at young adults? (Or any audience that isn't young children.) AND OF COURSE SHIORI IMMEDIATELY ATTEMPTS THE "IS YOUR REFRIGERATOR RUNNING" JOKE! I don't even know if that would translate for the JP bros...
Running = moving fast, i.e., Jogging, sprinting, etc. And ALSO Running = working, functioning So it's a pun on "running", asking if their refrigerator is working, and then telling them that it is moving quickly.