Simple Golf Slope Measurement:

📱 Phone Position: Hold phone FLAT (face-up) with top leading when walking

1. CRITICAL: Place phone completely FLAT on a perfectly level surface (table/counter)
2. Tap "Start Listening" to activate voice commands
3. Say "Calibrate" while phone is perfectly flat and still (wait for confirmation)
4. Move to golf course and say "Start" at the ball position
5. Walk your step length toward hole and say "Mark" (repeat as needed)
6. Say "Stop" at the hole
7. Say "Reset" to clear current measurement and start over
8. If readings seem wrong: Recalibrate on a flat surface