XPrivacy is described as 'UPDATE NOTE: this app is fully compatible with devices under up to Android 5.1. XPrivacyLua is the successor for next Android versions'. There are three alternatives to XPrivacy for Android and Android Tablet. The best alternative is XPrivacyLua, which is both free and Open Source. Other great apps like XPrivacy are PilferShush Jammer (Free, Open Source) and App Ops (Freemium, Open Source).
Features a passive jammer technique that engages the microphone thereby blocking other apps from using it. But does NOT listen to or record any of the audio from the microphone. It uses 0% CPU and no noticeable battery use.
Control the hidden appops conveniently The core function of App Ops app is to modify the system "appops" settings to implement permission management in a sense. App Ops app also makes a lot of effort to simplify many technical details and make it easier to use.