The nostr app I would build if I could code.

ZapGolf.

A two player mini golf web game.

Log in with nostr to play with nostr friends.

Both players connect with NWC.

Every time you hit the ball it sends a zap to the other player.

The more strokes it takes the more sats the winning player wins.

Zap amount could be set at the start of the game.

Option to play on expert mode where the cost doubles with each stroke - the first stroke is 10 sats, then 20, then 40…

No central party needed to distribute winnings since each person just zaps the other directly.