Hey guys,
here is a new app called ‚HeartOnTop’ released for Android.
Have a look at the app, it is especially designed for the Zeblaze Thor, but may work on more devices.
It can show your heartrate continuous in front of every app.
Here is the link for Google Play Store:
play.google.com/store/apps/details?id=inc.makerbob.sbobka.heartontop
And a link for a Youtube video running the app on Zeblaze Thor:
Greetz