nice project ! my 2 cents from someone who used duolingo quite a bit but not intensively: * add grammaticals notes, preferably attached to grammatical "object

nice project ! my 2 cents from someone who used duolingo quite a bit but not intensively: * add grammaticals notes, preferably attached to grammatical "objects" and not separate lessons. They may be boring but invaluable to understand a language * explore other ways of teaching (for example the model of lingua latina per se illustrata) * try to see if you can improve on the speaking exercices *