The Great Mayan Oracle is a mobile application based on the Tzolkin, the Maya Sacred Round or 260 day calendar. Ask a question, doubt or consultation and The Oracle will give you three cards, each one of them with a hidden message. Consult the cards and discover what the Mayans have to say about your future.
OS 2.2 - 4.0.x
Link to this app: http://thebetafamily.com/entertainment/the-great-mayan-oracle