Use APKPure App
Get Advanced APK Editor Pro old version APK for Android
Công cụ siêu kiểm tra sâu vào các tệp APK.
It helps you do things like strings localization, background image replacement, permission removal etc. Also you can check into Android manifest files, compiling classes.dex files. What it can do depends on how you use it. It requires professional skills for maximum performance.