AdBlock Fast has been removed from the Google Play store for violating developer guidelines. Google started chucking ad-blocking apps out of the store back in March 2013. Samsung has introduced its own browser API to encourage the development of ad blockers. Google is essentially an advertising company, which makes a vast amount of money from selling advertising space on its own sites and other peoples. The last group of people who would be anti-ad blockers would be the online criminals who exploit online ads to spread malware and trick users into falling for scams.”]
Source: https://grahamcluley.com/google-quick-throw-android-blocker-shame-slower-malware/