Download Apk Editor Pro Apk 3.0 For Android ((link))

For advanced users who edit raw Smali code (the human-readable version of Dalvik bytecode), version 3.0 adds syntax highlighting, line numbers, and search/replace functions.

This usually means the APK was signed incorrectly. APK Editor Pro signs with a test key. You must uninstall the original app before installing the modified one (which means you’ll lose app data). Download APK Editor Pro APK 3.0 for Android

Because this app offers powerful "hacking" capabilities, it is often found on third-party repositories rather than the Google Play Store. APK Editor pro Tutorial For advanced users who edit raw Smali code