You can always purchase Tokens from within the Facebook app.
If you wish to earn free Tokens, there are many ways to earn Tokens:
- Return to the GSN Facebook app on a daily basis
- Share your GSN activity (achieving a high score, winning a tournament, etc.) on your Facebook wall
- Send/Receive Token gifts to your Facebook friends
- Win Token tournaments
- Achieve a Badge
- Reach a new Player Level
- Earn Tokens by completing offers/surveys
Note: Tokens cannot be transferred to another account nor can they be redeemed/exchanged for cash.