Go to the Upload screen

1. Tap "Menu"
   
   
   
2. Select "Uploads"
   

Upload files by category

Enable the categories that you want the app to upload.

Select custom files and folders for upload

1. Tap "Upload files"
   
   
   
2. Tap "Upload files
   
   
   
3. Tap files and long-tap folders to select items to upload. There is a select all button on the upper-right.
   
   
   
4. Tap "ADD" once you've selected the items you want to upload.