This is a tool to rename package/application name of apk.
That allows to install another instance to device.
俗稱apk共存產生器, 通常用於... 你知道的...
Download:
https://github.com/testwhat/PackageRenamer/blob/master/bin/PackageRenamer.zip?raw=true
Reference libraries:
http://ibotpeaches.github.io/Apktool/
https://github.com/android/platform_build/blob/e691373514d/tools/signapk/SignApk.java