This app is for smartwatches, so users who do not have a smartwatch cannot use the watch face when paying.*The smartphone app is an additional app in the Watchface app that explains the download guide. It may be different from the watchface screenshot of the smartphone app and the watchface screenshot that actually downloaded. Most of SamWatch’s Watchface app products include apps for smartphones.*This item includes additional applications that support your smartphone.- Access to Samtree’s website.- It includes information on installing a watchface.- This app contains a way to solve the problem if the Watchface app is not installed on the watch. * For a watchface that contains heart rate information, heart rate data is not linked to other apps and is measured by clicking the measurement button on the watchface.This watch face is an AnalogWatchFace.This watch face corresponds to the SamWatch World Analog lineup.You can distinguish languages by the brand name of SamWatch.‘SamWatch’ is an English version.‘샘워치’ is a Korean version.*Watchface function- Support Wear OS DeviceSamtree Page : https://isamtree.comGalaxy Watch Cafe : http://cafe.naver.com/facebotFaceBook Page : www.facebook.com/SamtreePageTelegram : https://t.me/SamWatch_SamThemeYoutube : https://www.youtube.com/channel/UCobv0SerfG6C5flEngr_JowBlog : https://samtreehome.blogspot.com/Korean Blog : https://samtree.tistory.com/