Reflex Active Red, a lifestyle app by PH SMART for Android, is designed to sync with smartwatches like I20M. It aims to assist users in monitoring their daily activities and reaching fitness goals. The app offers a range of features such as a stepometer to track steps, distance, and calories burned, a sleep monitor to assess sleep quality, and various sports modes including running, biking, walking, and climbing. Users can also receive notifications for calls and messages on their smartwatch. Depending on the model, users may even make and receive calls directly from the watch. Additionally, a phone finder feature helps locate misplaced phones or smartwatches.