An alternative to the iOS-only Cards app, Postagram provides a good alternative way to send your images as postcards to anywhere in the world.
Read Our Postagram Review
How to Root the Samsung Galaxy S6 and Galaxy S6 Edge
10 USB Type-C Accessories and Cables Available Now
How to Take a Screenshot on the Galaxy S6
Galaxy S6 Guide: Features to Enable and Disable
How to Disable Emergency Alerts on the Galaxy S6