Actually FUN is one of the most useful altcoins I've found so far. The premium benefits totally worth the investment for bitcoin holders and considering how cheap they are, it's even more interesting than tokens which offer similar benefits for investors such as Crypto.com, Nexo and Celsius ones.
A VIP program where you earn a few cents per day isn’t much of a use.
It depends on your bitcoin bankroll size. The more coins you hold, the higher the impact extra interest feature will have over your daily income. That is why I compared it to another investment platforms.
Wheel of Fortune free spins are just an extra bonus.