Requirements:
- java (I am using openjdk 11.0.17)
- apktool (install from https://ibotpeaches.github.io/Apktool/install/ or package repository -
apktool) - apksigner (install from SDKManager or package repository -
android-sdk-build-tools) - unzip (install via package repository)
- zipalign (install via package repository)
Install all from package repository: $ sudo apt install default-jdk apktool android-sdk-build-tools unzip zipalign