Step 1. On the main screen, tap your profile icon in the top-left corner. 

Step 2. On the Player profile screen, find the Profile ID field — it's located right below your nickname. 

Step 3. Tap on the Profile ID to copy it. You'll see a confirmation message: "Your Game ID Copied". 

Done! Now you can paste your Profile ID wherever you need it.

Alternative Way

You can also find your Profile ID in Settings:

Step 1. On the main screen, tap the gear icon (⚙️) in the top-right corner.

Step 2. In the Settings menu, find the YOUR PROFILE ID button and tap it to copy.