RNG - Gaming edition

2-player game:

- First player holds mobile and presses "Generate" and other player tries to guess number.
- When number is guess correctly. phone holder puts number down to its place.
- Switch the phone holder and do above tasks again.
- Less guesses is WINNER!

Group of players:
- Phone holder press "Generate" and other players tries to guess number turn-by-turn.
- Who say correct number is WINNER!

Longer version:
- Winner goes off and left players goes another round.
- This goes on when 1 player is left and he/she is LOSER (and he/she has to do something like in classic RPS)

Another version:
- Winner picks phone and game is on and so on... again and again.. until players are passed out :)