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Cumulus is a free flight navigation software made for soaring pilots and available on Google Play as [Cumulus from KFLog|https://play.google.com/store/apps/details?id=org.kflog.cumulus]. From the latest release 5.9.0 on it supports also Live Tracking. Its web page is to find [here|http://www.kflog.org/cumulus/]. A first impression to you can give you its [screenshots page|http://www.kflog.org/cumulus/screenshots/].

Make also a try with Cumulus, if you want...