In one sentence, describe what the following article is about:

" Upon entering the main app screen, the app will request your permission to enable auto uploading. Enable or disable it according to your preference. On either a gallery app or a file browser app, select a file or picture you wish to upload. Tap on the file or picture, and share. " Choose the folder you where you want to upload the file.

Summary:
Allow permissions for "Auto Upload. Select a file. Tap on "Wuala. Tap "Upload" when finished.