The most important thing about phone wallpapers is that they should just enjoy the eyes, and in this case, this is the app, that you won't find something like this anywhere else. This app is:
1. Free
2. Without ads
3. It contains about 10,000 photos
4. Huge part of these photos is in top branded wall calendars artistic quality
5. All photos are taken by one person
6. All photos are taken in Poland
7. There are photos in color and black and white
8. App has a beautiful minimalist design
9. All photos are arranged in random order - last photos are as good as photos in the top
10. There are 16 categories and 62 subcategories.
11. For many people, Poland presented on these photos looks like a dream, a fairy-tale, an advertisment.
12. For many people, Polish cities presented on these photos, look like New York City, Paris or London.
You may ask: "Where is the catch? How there is made a monetization of this app?" - This app - on Android - is free and without ads, but there is coming a version on iOS, and there will be price for the app - 4$.