Android Studio files are located in 'StressSmartWatch' folder. Open this folder in Android Studio.
You need the Wear OS Small Round API 30 emulator installed as your device. Make sure to select the non-Chinese R.
Tools > Device Manager > Create Device > Select the Wear OS Small Round API 30 Hardware > Select the non-Chinese R System Image (you may need to install it before you can select it)
More Resources about Wear OS in Android Studio:
Create and run an app on Wear OS
Get started with Wear OS
Health Services on Wear OS