There are 3 repositories under apk-merger topic.
Cross-Platform Android Remote Administration Tool | Official maintained repository for the AhMyth R.A.T Project | A dedicated revival of the original repository at https://GitHub.com/AhMyth/AhMyth-Android-RAT
增强版本的apktool一键集成SDK,一键合并APK和aar、jar文件以及初始化代码,最大方便处是用来测试SDK厂商的SDK产品稳定性,觉的好用来个star