Where can I find the trade center?

You can access the "Card Trade" center in two ways:

From the menu:

1. Tap the icon with 3 horizontal lines at the top right corner to open the menu.
2. Tap the "Gifts" option.
3. Tap the "Card Trade" button.
4. Collect the cards from your friends.

From the cards album:

1. Tap the "Cards" icon in the main screen's bottom bar.
2. Tap the "Trade Center" tab at the bottom of the album.
3. Collect the cards from your friends.