Skin for PlayerPro Dark Metal is a personalization app for Android 9.0 that gives your PlayerPro music player an old-school metal look. You can choose from two free color accents or purchase additional colors through the app. If you previously purchased the app when it was paid, you can email the developer at to receive instructions on how to unlock all colors.

After installation, open the skin color selector app by pressing the "OPEN" button in the market. From there, select your desired color and go to PlayerPro settings, then "Look and Feel," and finally select the "PlayerPro Metal skin."

Overall, Skin for PlayerPro Dark Metal is a great way to customize your music player's appearance and give it a unique, vintage feel. If you encounter any issues, don't hesitate to reach out to the developer for assistance.