If there's a payment system, security is important. Explaining how transactions are handled, using a wallet or in-app purchases.
Then, setting up an account. Most apps require registration. Should I suggest email, phone number, or social media? Maybe walk through the process of creating an account, verifying it, and setting up a profile. One Night In Bangkok - Lustomic.pdf
Lastly, safety guidelines. Privacy tips, safe internet practices, reporting features within the app. If there's a payment system, security is important