MintPosting
"Use MintPosting to send your friends a postcard full of precious memories." 1. MintPosting is an app where you can send postcards to your friends or save them to your photo library. 2. Try sending a postcard to nearby friends via AirDrop. 3. By adding friends, you can also send postcards to those who are far away. 4. Write notes on photos full of memories and store them in your photo library.