This is official site of APK Editor, you can get latest APK Editor here!
APK Editor is one of the best Android app/apk editing tool you can install on your Android device. It is a powerfull app can edit/hack apk files to do lots of things for fun. It can help us to translate strings, replace icons, redesign layouts, remove ads, remove limitation in free version, etc. In general, it can edit everything inside an apk (except the native library). And, what it can do depends on how you use it.
No, most features do not need ROOT. Only one feature needs ROOT is the dynamic smali patch. However, you can also make it take effect by re-installing the modified apk/app.
Latest free version 1.9.0:
PRO Version is on the way.
If it is not on Google Play any more, I will find a new place to publish it.