WARNING ! Needs Xopsed Framework & Root
Download the Xposed Installer APK and install it --> http://dl.xposed.info/latest.apk
AppOpsXposed is a quick-'n-dirty module for the Xposed framework that restores the AppOps functionality on Android 4.4.2 by allowing AppOps to be launched again using the :android:show_fragment extra (this applies only to the Settings app, and only to the AppOpsSummary fragment). It also adds "App ops" in the native android Settings app for Android 4.3+. Why not just install XPrivacy? you may ask - read this post.
If you're on Android 4.3, you can use this APK even if the Xposed Framework is not installed and/or your device is not rooted. In that case AppOpsXposed will simply launch AppOpsSummary - all other features ("App ops" header in "Settings", "App ops" button in "App info", fixed layout in AppOpsDetails) will not be available.
AppOpsXposed will never work on any Android version below 4.3! Why? Because - as the name implies - the module simply exposes "App ops", a feature that's hidden in Android's "Settings" starting with 4.3. The "App ops" interface you see comes directly from Google, not me!
Source code is available on github (License: GPLv3+)
AppOpsXposed will attempt to add AppOps to your ROM's "Settings" app. Since a manufacturer's implementation of that app may be very different from stock Android, the module might fail to find a way to do so. In that case, I need the APK flle of your "Settings" app, so I can determine where to put AppOps. The location of AppOps is noted in the list below; if anything goes wrong, the module will place AppOps at the very end. As of version 1.7, the module provides a launcher icon in order to enable everyone to launch "App ops", even if their ROM is not yet supported.
Full support (i.e. with AppOps in the "Settings" app) is currently available on the following devices/ROMs:
Stock Android, CM10, Sony Xperia: in "Personal" section
Samsung: in "General" or "More" tab (right under "Apps")
Developer: caspase @XDA