At the moment, Picture in a Frame is not available for direct download on a computer. However, you can use emulators to run it on PC. The downside is that using Picture in a Frame with an emulator might slow down your computer's performance.
Learn how to use Picture in a Frame on your computer in these 5 simple steps:
This app will allow you to turn any iOS device into a digital picture viewer. Simply select any of your photo albums and the app will display every photo in that album for a given period of time, selecting a different random photo each time. Picture in a Frame has an option to only show photos that match the device's orientation. So, if your iPad is in portrait mode, only portrait photos will be displayed and the same applies for landscape orientation. There is also an option to darken your screen for any given period of time. This is useful to if the app is used in the bedroom, to avoid extra light when trying to sleep.