This is great news! I have several friends who use Android phones and tablets. They use other apps based on OpenStreetMaps and we would love to share our custom Pins among each other. Just a kind request to make the iOS and Android versions compatible with each other in terms of custom Groups and Pins, and the ability to Import/Export between them.
By the way, none of the Android apps come close to doing what Pocket Earth does. They are so jealous!