If there's a payment system, security is important. Explaining how transactions are handled, using a wallet or in-app purchases.
I should also consider any special features unique to Lustomic. If the app is for a specific event, maybe it includes AR elements, live updates, or special access areas. Including how to use those would be important. One Night In Bangkok - Lustomic.pdf
If it's an event app, there might be features for booking tickets, accessing event details, schedules, maybe venue maps. I should explain how to view events, purchase tickets, check schedules. If there's a payment system, security is important