Heart Rate Monitor Wear is an application for real-time tracking of heart rate using a smartwatch with WearOS. It is ideal for training and exercising based on heart rate. The heart rate is displayed on the smartwatch equipped with Wear OS and also has the ability to be displayed on the smartphone. (*It must be superimposed on other apps and requires a separate authorization setting.) This displays the current heart rate on the smartphone screen when exercising while watching a video on the sma