Here's a quick guide. I use wallet of satoshi. https://www.reddit.com/r/nostr/comments/zvge2m/how_to_create_invoice/?utm_source=share&utm_medium=android_app&utm_name=androidcss&utm_term=1&utm_content=share_button

Go to WOS click on receive, then zap like icon, add amount, and copy & paste it here

Damn #[3] thank you again/