1)Open Project Launcher
2)Add new Custom Launch Profile (name what you like)
3)Project → Navigate to your project.uproject
4)Build the first time (you can disable afterwards)
5)Cook for your texture of choice + localization (ex:en_US) and in additional cook options add the following: -clean -stage -pak -compressed -prereqs -distribution -nodebuginfo (as is)
6)Package and store locally (The output is your project’s binaries/android/ ignore the .so file)
7)Disable deply and launch (Unless you want to direct test your App but its much much slower just package and manually pass it to your device)