SwiftSnap is an App for all iPhones where you can place nice overlays over your photos and also the current time and location you’re at, apply nice filters to your pictures and share them to the world!
Photo filters are made by Apple Core Image, overlays are simple .png images, follow the User Guide to know how to add your own artworks and build your own version of this app.
You can share your works to popular social network, save them into the Photo library or send them by email and SMS.