Dinghy Coach has a companion App for Android Phones available to download free on the Play Store
https://play.google.com/store/apps/details?id=coach.dinghy.sailinghud
Note: This page discusses Recording Tracks only - for the Coaching features and Race Support features please refer to the relevant articles.
After opening the App, start by identifying yourself, or your boat, at the top of the App. We suggest you enter your boat Class and Sail Number to identify your boat clearly in sessions.
There is a choice of two modes for recording a Session - Training and Racing

Training mode will display both Course Over Ground and Speed Over Ground
Racing mode will display only Course Over Ground
If you encounter any issues recording tracks with the phone GPS refer to the related articles below.