Streamingassets.rar -

: For better compatibility with certain Android builds, it is recommended to keep filenames lowercase and avoid non-ASCII characters.

: For more advanced content management, developers often use Addressables or Asset Bundles instead of the basic StreamingAssets folder. rar archive you found? Include additional files in a build - Unity - Manual StreamingAssets.rar

How you read files from this folder depends on the platform: : For better compatibility with certain Android builds,

: Any files placed in a folder named StreamingAssets (case-sensitive) in your project are copied exactly as they are to the target device when you build your game. StreamingAssets.rar