Trail Buddy: GPS Group Tracker

Locate your friends in the great outdoors! Your true trail buddy, for groups:
* INSTANT - no registration
* Tracks location even when phone is in your pocket
* Cross-platform: Both Android & iOS supported
* Temporary tracking: auto-expires at a specified time

To begin tracking:
- Create a GPS tracking group (no login required)
- Invite friends, family to group with "Invite" button
- (GPS tracking icon appears in notification bar while tracking is enabled)

To end tracking:
- Force-close app
- (Tracking will end and GPS tracking icon will disappear)

Note: Background GPS tracking can lead to significantly increased battery use.