Panoptikum is a free Android app developed by asmodeoux. It falls under the Social & Communication category and is designed to make your interaction with friends' saved images in VK easier. The app is unique in that it enables you to see saved images in chronological order, and it allows you to set up custom lists of friends whose pictures you want to see.

One of the most notable features of Panoptikum is its ability to make a feed of your friends' saved images and show them all in one place. Additionally, the app allows you to upload photos from your gallery, and it won't mark you online. You can also like pictures with a double tap and subscribe to notifications about new pics. Finally, it's worth noting that there are no ads or paid features, making this app a great choice for anyone looking to simplify their interaction with friends' saved images in VK.