Clue Tracker for Android lets you can quickly and easily find Atlas Quest and LbNA boxes, view maps, record finds, save and organize itineraries of letterboxes and much more.
Features:
• Letterboxers can access listings from both Atlas Quest and LbNA.
• Find nearby letterboxes based on the current location of your Android® phone or tablet.
• Search for boxes by location, box name, and box ID.
• View detailed letterbox information including last found date, series details, and notes.
• Show letterboxes on a map and get directions to a box.
• Save clues and other letterbox information for offline use.
• Organize saved letterboxes into your own lists and reorder boxes to create custom itineraries.
• Change the location of a saved letterbox.

Recent changes:
• Additional search terms can be added to the “Name or ID” search screen: Clue Text, Tag (AQ only), and Location.
• For AQ boxes, icons are displayed to indicate blue diamond, planter's choice, and hand-carved stamp.
• When editing a saved box, you can add notes that are stored on your device. For LbNA boxes, Clue Tracker also tries to update the notes on the website.
• You can adjust the size of the text that is used to display notes and clues.