We are currently receiving reports that some customers using Android 10 and 11 are having difficulty checking in. If you are having trouble with this problem, please try the improvement measures on this page. [About the situation where check-in is difficult on Android 10 and 11] https://bit.ly/31uPloc Rakuten Check is a POI activity app that allows you to earn Rakuten points just by going to the store. Available at stores nationwide including Lawson, Seiyu, Daikoku Drug, Daily Yamazaki, Joshin