If you mix those up, you might think m stands for one of them.
Repacking with modified manifest package name apktool m tutorial
Unlike many simple "APK editors," Apktool M is a full-scale IDE for Android. It allows you to: Decompile APKs : Convert binary XML and files into readable source code (Smali). Modify Resources : Edit strings, images, and layouts. If you mix those up, you might think
This creates a folder app/ containing: