"Bubble Shooter" is a generic game title used by many developers (Absolutist, Magma Mobile, etc.). You will need to replace the bracketed text [like this] with the specific details provided by the vendor.
If you do not have a key, consider these free options that do not require registration names or codes:
The Premium Edition of Bubble Shooter usually requires a one-time purchase to unlock features like:
Open the game, click "Unlock" or "Enter Registration Code." Copy and paste the key exactly. Ensure there are no extra spaces before or after the code.