Privacy Blocker scrambles personal data from Android apps. The app does this by identifying which apps are snooping and sending data to malicious apps. It “fixes” this issue by replacing the data with hard-coded fake data like 5558675309. The author is a custom ROM developer and a regular on droidforums.net.net. It’s especially processor intensive on large apps like games like games. But who will watch the watcher? Good question, good question.”]
Source: https://gizmodo.com/privacy-blocker-app-confuses-malicious-android-apps-wit-5786128