Sail-Vision

It is possible to use the GPS feature of Android, to see in real time the status of the yacht race.
If you are using the tracking feature, it is possible that you continue to operate the GPS in the background for a long time, consume a lot of battery.

You may also while using the tracking feature, when it comes to background and sleep mode, the app would have been killed. It is recommended that you use it remains open as much as possible.