- stun server add username/password for security
- on game start check if webrtc is possible. If is not, then use websockets.
- different content for English learning: numbers (cardinal, ordinal), food, orientation, alphabet simple spelling, drinks, days/months, questions, transportation, ...
- add server database to write numbers of connection per day. Learn to use database.
- editor to add new images, words and audio (with size, resolution limitations)
- idea for hostels: photos of guests and names. So it is easy to remember the names.
- when open new page, check if the rrc.status is adequate