A free app for Android, by Bitdefender.

Bitdefender Central is a tool for the protection of local devices from malicious and abusive content. It can scan and identify malicious software, block malicious activity, and protect your device from being compromised.

The main function of Bitdefender Central is to scan and detect any malware that exists on your device. It works by analyzing and collecting information about the programs and files on your device. If any malicious activity is detected, Bitdefender Central will immediately notify you and block it. The tool can also clean and optimize your device to improve its performance.