JUMBLE Uploader is a HTTP (mulpipart/form-data) File Uploader.
Android default browser can not upload HTTP File Upload.
JUMBLE Uploader enables HTTP file upload from the Android terminal.
When upload target site corresponds to JUMBLE Uploader, JUMBLE Uploader startup automatically and allows you to upload files with HTTP.
However, when the site doesn't correspond to JUMBLE Uploader, you must know about upload target URL.
If you know upload target URL, you can upload files by specifying the URL directly.
for more detail check following page