Picasa is one of the best place to host photos for free (after Flickr). If you are an Android user and looking to download your photos in Picasa to Android phone, then you need to try Picasa Downloader. This app is very simple and you can use this app to download full albums from Picasa Web Albums on your Android mobile phone and you can view all of them offline at anytime. This application use Google Analytics to track application usage and it works great for both public and private albums.

Download Link for Picasa Downloader

Note: There is another way of downloading Picasa albums by syncing your device with google account. Go to Settings>Accounts and sync>Sync Picasa Web Albums