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The main reason any browser won't be able to read any local file.

this happens because generally all browsers are supposed to surf the web.  

1) Just allow your browser to read local file.

Here is technical solution for it (it works for all games which facing the same issue)

in case the browser won't allow you to read

any local files.

On Androids:

(Hosting a local server, it is pretty easy)

"Simple HTTP Server"

This app, available on the Google Play Store, is designed for this purpose. It provides a straightforward way to host static content.

Here's a general outline of how it works:

Download and install the "Simple HTTP Server" app.

Open the app and configure the "root directory" to point to the folder containing your RPG Maker game files.

Start the server within the app.

The app will provide you with the local IP address and port number.

Open your Android browser and enter that IP address and port (e.g., http://192.168.1.1xx:xxxx) to access your game. 

and in case you want to translate any RPG Maker Game to any language I would provide a tutorial for it