Columbus is an geocaching application for android smartphones.

If you have mobile internet access, you can easily locate the nearest geocaches. But even if don’t have a mobile Internet, by importing gpx files you gain offline cache database.
Google maps shows all geocaches stored in memory until the number of 500.
Simple, compass leads you to the cache. Columbus also allows inserting and editing points. So you can modify the waypoints in a multi or mystery cache.

Requirements

• Smartphone with Android OS version 1.5 or higher
• Installed IO File MANAGER, for importing GPX files