Smart Urban Golf is a game where you play golf using your cell phone as the club, and you hit golf balls in the game world. You can practice by playing the driving-range mode, which makes the game generate random courses based on your current position, or you can play in a live tournament mode where you compete with others for the highest score on the online leaderboards.
Look at this screenshot:
Breaking down the elements of the game, we can see that the golf club being the phone automatically places AR as one of the technologies being utilized. The location-based random courses means that Geolocation and GPS are being heavily utilized, which is mainly found in AR applications. Competing with others is a standard game mechanics. The ball is living in the game world only but is affected by the golf club (your cell phone), so the game is XR or MR.