Picasa is one of the best places to host your photos for free. If you looking to download your photos in Picasa to Android phone, then you can try Picasa Downloader. This is a very simple application you can use to download full albums from the Picasa Web Albums to your phone so that you can view them offline anytime.

The application is using Google analytics to track application usage. It works for both public and private albums.

Download Picasa Downloader