PIExplorer for Picasa

The app allows you to view and upload Picasa photos

Picasa Features
- View your Picasa web albums
- View album photos on map view
- Show a geo-tagged photo's map location
- View a album photo Exif info if available
- Share an album
+ Batch upload photos to an album

SmugMug Features
- Upload photos and videos to an existing or new gallery
- Edit/delete an existing gallery (Pro Only)
- Remove photos from an existing gallery
- Edit an existing photo's meta info
- View galleries of your friends, family and fans
- Manage your friends and family
- View all-time popular photos
- View today's popular photos
- View popular photos in a SmugMug category
- View public geo-tagged photos
- View the galleries of a public photo
- Add a SmugMug user as friend or family
- View/make comment of a photo
- View a photo's meta info
- View a photo's location on map if geo-location is available
- Photo/video download (Pro Only)
- Collect a photo into your galleries
- Sharegroups support
-- Add, edit and delete a sharegroup
-- Add and remove an album to/from a sharegroup
-- Share your sharegroups
-- Add your friends' sharegroups by using sharegroup tag & password
-- Add your friends' sharegroups directly from email shared by the app

500px Features
- Follow/unfollow a photo owner
- View a user's friend list
- View a user's blogs
- Fullscreen photo feature
** view a photo's comment and make a comment
** Add/remove a photo from favorites
** Vote(Like) a photo
** View a photo's location if available
** View a photo owner's photo stream, friends's photos and favorites
- User-based features
** View friend list and friends' photos
** View your follower list
** View your photo streams
** Upload photos
** View your favorite photos
** View your friends' photos
*** View Collections (Portfolio & Profile Sets)

DeviantART Features
- Browse deviations by categories, popularity (all time, 8 hours, 24 hours, 3days, 7 days, 1 month) and time(newest first)
- Bookmark category browsing state (category path, sorting order and time period) so that you can restore the state quickly
- Browse daily deviations
+ View a deviation owner's deviations (Pro only)
+ View a deviation owner's favourite deviations (Pro Only)
+ Search deviations by keywords(Pro Only)
+ Share a deviant (Pro Only)
- Download an image deviation
- Add/remove a deviation to/from favorites
+ Add/remove a deviant to/from favorites (Pro Only)

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The app is not developed by Google, Smugmug, 500px, DeviantART, ipernity or Flickr