A brief How-To about setting up a keyboard in Greek, or an app that lets the learner interact with the alphabet within the lesson system, is in order. It is incongruous to have the written quiz reject the romanization already integrated in the vocabulary component without an easy means of accessing the Greek alphabet. This should be in the introduction to the course in video form, or one of the buttons in the menu system.
On the other hand, does the learner need to learn to type in Greek? Advice on the forum suggests that new learners avoid typing in favor of handwriting to reinforce a solid understanding of the alphabet. Good advice, probably. The alphabet videos appear to be designed with this bias in mind. It is reasonable to assume there is more than one or two paths to competency. Without modification (either add an alphabet app, or a video side note advising students how to type in Greek, or let quizzes accept answers in the romanization) it is unclear whether the methodology used here considers handwriting vis-a-vis computer learning to be complementary or not, forcing the learner to go outside the greekpod101 for an ad hoc solution. Going outside greekpod101 for anything diminishes its utility.
Undoubtedly, there are keyboard sets for the various platforms and shortcuts that everyone outside the anglosphere (and that is most people of course) is familiar with.
But imagine if learners (particulary those still in secondary school or university where things and ideas are being shared expansively, repeatedly and rapidly) remembered that greekpod101 made them experts not only in Greek but in the technology used to communicate in Greek (and all other languages) over the internet. The best part is, it's probably 90% already been built/assembled out there.