demo: youtube
To download you may use git:
$ git clone https://github.com/yukkerike/APK-install-dropplet-for-Automator.git
or download a repo as zip.
To install - double click on a .workflow and select a folder. To work, adb needs to be installed in /usr/local/bin/ - via brew:
$ brew cask install android-platform-tools
or symlinked to the one in an Android SDK folder:
$ ln -s ~/Library/Android/sdk/platform-tools/adb /usr/local/bin/adb
When everything's prepared, put .APKs in a dropplet and wait for the target dialog.