The player itself is free to download, but access to content usually requires an "activation code" or "m3u" playlist link provided by a subscription service. Google Play Security Warning

However, the specific file name you mentioned ("PABLO RED WITH 21 CODES ACTIVATION.tx...") appears highly suspicious and aligns with common online security threats 🚩 Security Warnings

If you are searching for you are likely looking for a way to bypass a subscription or activate a specific software suite without a standard commercial license. Files with these naming conventions are common in the "warez" and software modification communities.