How can I get more Gems?

You can earn Gems from suitcases you open, or you can buy more Gems from the in-game Shop. For this, either:tap the "+" sign next to the Gem...

How do I fix the error "The item you requested is not available for purchase."?

Restart your device, and try again later. Check that you have a strong and stable internet connection, and that you have the current version...