For your reference, here are some details about the APP features of the Redmi Watch 4 and how to switch APP layout:
1. The Redmi Watch 4 has APP features including Workout, Exercise Record, Running, Stats, Activity, Heart rate, Metabolic Value, SpO2, Sleep, Stress, Breathing, Cycles, Alexa, Weather, Calendar, Events, Frequently Used Contacts, Phone, Music, Camera, Alarm, Focus, Timer, Stopwatch, World clock, Compass, Find phone, Flashlight, Settings;
2. To switch APP layout please go to [Widgets] >> [Layout].