
An APK is automatically deployed to your device when you select File > Build & Run.

It’s always best to use Application.streamingAssetsPath to get the location of the StreamingAssets folder, as it always points to the correct location on the platform where the application is running. To retrieve the folder, use the Application.streamingAssetsPath property.

Unity copies any files placed in the folder called StreamingAssets (case-sensitive) in a Unity Project verbatim to a particular folder on the target machine. More info See in Glossary devices the original movie file must be available from a location in the filesystem to be played by the PlayMovie function.

An example of this is the deployment of a movie file on iOS Apple’s mobile operating system. However, it is sometimes useful to place files into the normal filesystem on the target machine to make them accessible via a pathname. Unity combines most Assets into a Project when it builds the Project.
