You can change the design of the cards, the appearance of the room and the colors of the app (skin) via the player profile in the settings. To do this, follow these steps: 

1. Tap on "Player Profile" in the upper center of the main app screen 

2. Tap on Cards/Room/Skin 

3. Select the desired settings

4. Confirm with "Okay "

Hint: In the room settings you have two options to choose from, the color of the wall and the surface of the table. You can adjust these at the same time.