On the 24th Update, the feature to customize your Planet Skin has been added and more designs will be added in our future updates.
Here's how you can change your Planet Skin:
1. Tap the Commander's Profile on the top left of your screen. This will open your Commander Info's page.
2. On your Commander Info's page, tap the Planet Skin icon located on the top left of your planet.
3. Select the Planet Skin design by tapping the planet image and tap the Apply button to confirm.
Note: Crystals will be used to apply the skin on your planet.